Used Air Make Up Units for sale (66,252)

Condition: used, Extraction system, central extraction system, room air filter system ETS Efficient Technical Solutions GmbH Central welding fume extraction system Nsdpfx Aeicic Heh Hjwb Year of construction approx. 2005 Volume flow approx. 5000 m³/h Extraction connection at filter inlet 1200 x 150 mm Exhaust air connection at filter outlet 400 x 300 mm Motor power 10 kW Mains connection 400 Volt, 50 Hz - Control cabinet for wall mounting - Pocket filter - Maintenance flap for filter change - Radial fan on top of the unit Space requirement L x W x H 2000 x 1650 x 3650 mm Transport height without fan 3100 mm Weight approx. 2000 kg Very good condition

Condition: used, 6-axis robot servo controller, drive, motion control, servo pack, servo unit Servo unit for YASNAC XRC UP6 YASKAWA / MOTOMAN type CACR-UP6AAC O/N RA8616-0Y4A-46 S/N: D000Z2676590046 Version: 6-axis module for robot - Suitable for YASKAWA / MOTOMAN / YASNAC XRC UP6 Nwodpfxswywi Ae Ah Hsb - USB interface - Power supply type JUSP-RCP01AAC Dimensions (W x H x D): 270 x 310 x 200 mm Weight: 8.5 kg Used, in very good condition

Condition: used, Hydr. flat form scissor lift table FLEXLIFT FLUNDER type 1500 / 100 (without hydraulic unit) Year of manufacture 1991 Nominal lifting capacity 1500 kg Lifting capacity (practically tested) 1000 kg (at approx. 350 bar) platform size 2100 x 1400 mm stroke max. 930 mm Njdsl Nbqcepfx Ah Hswb Overall height - bottom 100 mm (with mounting frame) Overall height - top 1030 mm Hydr. operating pressure 350 bar = lifting force 1000 kg Motor power of hydraulics 1,5 kW mains connection 400 Volt, 50 Hz - mechanical-hydraulic safety limit switches stop the lowering process when the safety bar is actuated - without hydraulic power unit - without electric control length of installation frame 2270 mm width of mounting frame 1580 mm height of mounting frame = height at bottom 100 mm dead weight of lifting table 500 kg good condition

Condition: used, Hydraulic unit for mobile clinching tongs or mobile shaper ECKOLD type HA 500 / 2 Nodpfsquzfcox Ah Hewb Serial No. 737 / 783 Year of construction 1991 Hydraulic unit type HA 500 / 2 Operating pressure 50 - 500 bar adjustable Delivery rate 2.6 l/min Tank capacity 16 liters Engine power (hydraulics) 3 kW Rated power 3.1 kW Mains connection 380 Volt, 50 Hz. Control voltage 24 Volt, DC - Pressure line with screw coupling - With HAWE GS 2-2 solenoid valve - Mobile on 4 swivel castors Weight without hydraulic oil 125 kg good condition

Year of construction: 2022, condition: as good as new (ex-display), Air handler with EC technology for hall air conditioning or heating, cooling capacity in combination with a chiller unit: 150 kW at 7/12°C, heating capacity 300 kW, airflow 20,000 m³/h, 4x500 mm air outlets, compact design. Nwedjfzrgyepfx Ah Hsb

Condition: not inspected (used), M.-No. 105813, built in 1988, max. air flow 6500 m³/h, motor power 2kW, with heat exchanger, 1" water connection, LxWxH: 2150 x 820 x 820 mm, 2 return air ducts 2000x950x400mm, 1 return air duct 950x950x400mm, external wall connection 700x700mm, bird screen 660x590mm, heat exchanger outlet 400x400mm, WITHOUT connections to return air ducts Nwjdpfx Aewhncpoh Hjb

Condition: good (used), Year of construction: 2023, functionality: fully functional, TEXA Konfort 760 Touch RID incl. integrated refrigerant analysis for refrigerant R1234yf KONFORT 760 TOUCH, complete with 10" touch display, 20 kg refrigerant tank, 100 l/min capacity, two-stage vacuum pump, and Bluetooth and Wi-Fi interfaces. Equipped with a vehicle database, protective cover, and manual. TECHNICAL SPECIFICATIONS Suitable for R134a or R1234yf Suitable for BUSES (760 Touch BUS) Fully automatic service control Automatic leak detection Refrigerant measurement with electronic scales Oil contamination prevention system - ATB (Air Tight Bottle - patented) Automatic oil management with electronic scales Measurement of recovered oil quantity by electronic scale Compatible with hybrid vehicles Automatic maintenance management (DATABASE) Manual maintenance control Safety system FPS (Fan Protection System) Internal flushing when changing oil type Service report printout via Wi-Fi 10" touch display Suitable for KONFORT APP Refrigerant tank 20 kg (760 TOUCH) Refrigerant tank 30 kg (for 760 BUS TOUCH) Filling accuracy +/- 15 g High refrigerant recovery rate (over 95%) Two-stage vacuum pump Nodpfowzhnrox Ah Howb Automatic oil container recognition (patented) Scales locking system Operating mode: DATABASE Operating mode: MANUAL SERVICE Operating mode: MY DATABASE Multilingual software Automatic service hose compensation Automatic maintenance management Simplified maintenance Automatic control of non-condensable gases Remote customer support Highly accurate automatic oil injection Automatic updates Incl. POE oil container for hybrid vehicles Incl. thermal printer

Condition: new, functionality: fully functional, machine/vehicle number: TKG, cooling capacity: 3.5 kW (4.76 HP), overall weight: 40 kg, input voltage: 230 V, warranty duration: 12 months, type of cooling: air, Monoblock air conditioning units (with exhaust hose), original packaging, for sale. The following sizes are available: Nwjdpfx Ahewwrk As Heb 2 kW (BTU 7000) for rooms up to 23 m² – €213.00 2.6 kW (BTU 9000) for rooms up to 25 m² – €272.50 3.5 kW (BTU 12000) for rooms up to 35 m² – €390.00 3.5 kW (BTU 12000) for rooms up to 35 m² with WIFI – €451.00 Shipping within Germany per unit: €25.00 Manufacturer: KALORIK All prices incl. VAT.

Condition: excellent (used), Year of construction: 2022, functionality: fully functional, negative pressure: 2,630 Pa, volume flow: 8,000 m³/h, nominal flow rate: 6,950 m³/h, power: 11 kW (14.96 HP), H 3 "GS dust-tested" Nwsdpfx Ahewty Uzj Hob Extraction connection 350 mm Ø Pneumatic JET filter cleaning Extinguishing system with powder extinguisher With rotary air lock

Condition: used, mileage: 109,059 km, power: 235 kW (319.51 HP), first registration: 08/2018, fuel type: diesel, number of seats: 64, gearing type: mechanical, emission class: euro6, color: other, brakes: retarder, total length: 13,000 mm, total height: 3,450 mm, Year of construction: 2018, Equipment: ABS, air conditioning, cruise control, = Other Options and Accessories = - Retarder - Webasto = Further Information = Damages: none = Company Information = Nwodpfxoxt Npxs Ah Hob We are an international company based in Belgium, near Brussels (+/-20 km). Belgian Bus Sales is your ideal partner for the purchase and sale of used buses, featuring a large parking area that serves as a showroom. We always have a wide selection of buses of all makes, capacities, models, and price ranges in stock. We can find the right coach, school, or city bus tailored to your needs and budget. All details are provided without guarantee. Subject to error, prior sale, and typographical mistakes. Opening hours for viewing used buses: Mon-Fri: 08:30 - 12:00, 12:30 - 17:00. Mowimy po Polsku (Agata) We speak your language: Nederlands, Français, English, Español, Português, Italiano, Русский, Polski and more.

Condition: used, mileage: 137,640 km, power: 235 kW (319.51 HP), first registration: 08/2018, fuel type: diesel, number of seats: 64, gearing type: mechanical, emission class: euro6, color: other, brakes: retarder, total length: 13,000 mm, total height: 3,460 mm, Year of construction: 2018, Equipment: ABS, air conditioning, cruise control, = Other Options and Accessories = Nwsdpfxoxd Sw To Ah Hjb - Retarder - Webasto = Further Information = Damages: none = Company Information = We are an international company based in Belgium, near Brussels (+/-20 km). Belgian Bus Sales is your ideal partner for the purchase and sale of used buses, featuring a large parking area that serves as a showroom. We always have a wide selection of buses of all makes, capacities, models, and price ranges in stock. We can find the right coach, school, or city bus tailored to your needs and budget. All details are provided without guarantee. Subject to error, prior sale, and typographical mistakes. Opening hours for viewing used buses: Mon-Fri: 08:30 - 12:00, 12:30 - 17:00. Mowimy po Polsku (Agata) We speak your language: Nederlands, Français, English, Español, Português, Italiano, Русский, Polski and more.

Condition: used, mileage: 82,088 km, power: 235 kW (319.51 HP), first registration: 08/2018, fuel type: diesel, number of seats: 64, gearing type: mechanical, emission class: euro6, color: other, brakes: retarder, total length: 13,000 mm, total height: 3,450 mm, Year of construction: 2018, Equipment: ABS, air conditioning, cruise control, = Other Options and Accessories = - Retarder - Webasto = Further Information = Damages: none Nedpfjxud Hnjx Ah Hjwb = Company Information = We are an international company based in Belgium, near Brussels (+/-20 km). Belgian Bus Sales is your ideal partner for the purchase and sale of used buses, featuring a large parking area that serves as a showroom. We always have a wide selection of buses of all makes, capacities, models, and price ranges in stock. We can find the right coach, school, or city bus tailored to your needs and budget. All details are provided without guarantee. Subject to error, prior sale, and typographical mistakes. Opening hours for viewing used buses: Mon-Fri: 08:30 - 12:00, 12:30 - 17:00. Mowimy po Polsku (Agata) We speak your language: Nederlands, Français, English, Español, Português, Italiano, Русский, Polski and more.

Condition: used, Year of construction: 2003, functionality: fully functional, GALATEK Paint / Spray booth used for spraying furniture parts. The size of the booth is approximately 3x2,2x1 m. Including suction see photos. It is possible to sell including pressure balancing technology (air suppy ceiling). For more information please contact me. Njdju Au Elepfx Ah Hewb

Condition: used, mileage: 149,740 km, power: 235 kW (319.51 HP), first registration: 08/2018, fuel type: diesel, number of seats: 64, gearing type: mechanical, emission class: euro6, color: other, brakes: retarder, total length: 13,000 mm, total height: 3,460 mm, Year of construction: 2018, Equipment: ABS, air conditioning, cruise control, = Other Options and Accessories = - Retarder - Webasto = Further Information = Njdsxnzpgspfx Ah Hewb Damages: none = Company Information = We are an international company based in Belgium, near Brussels (+/-20 km). Belgian Bus Sales is your ideal partner for the purchase and sale of used buses, featuring a large parking area that serves as a showroom. We always have a wide selection of buses of all makes, capacities, models, and price ranges in stock. We can find the right coach, school, or city bus tailored to your needs and budget. All details are provided without guarantee. Subject to error, prior sale, and typographical mistakes. Opening hours for viewing used buses: Mon-Fri: 08:30 - 12:00, 12:30 - 17:00. Mowimy po Polsku (Agata) We speak your language: Nederlands, Français, English, Español, Português, Italiano, Русский, Polski and more.

Condition: good (used), mileage: 854,159 km, power: 338 kW (459.55 HP), first registration: 01/2014, fuel type: diesel, tire size: 385/55R22.5, axle configuration: 4x2, fuel: diesel, color: white, driver cabin: sleeper cab, gearing type: automatic, number of gears: 12, emission class: euro6, suspension: air, Year of construction: 2014, Equipment: AdBlue, air conditioning, central locking, electric window regulation, onboard computer, parking air conditioner, parking heater, spoiler, = Additional Options and Equipment = - Aluminum fuel tank - Rear work lights - Front work lights - Heated mirrors - High beam headlights - Windscreen - Enclosed cab - Air suspension - Sleeper cab - Auxiliary heater - Pre-heating system = Notes = Daf XF460 SuperSpaceCab 4x2 - Full air - Night Clima - TV - Microwave - Full spoiler - Navigation MY: 20-01-2014 KM: 854,159 XLRTEH4300G014867 Full specification truck Night clima Nwodpfx Ahoxxky Nj Hob Full air suspension TV Fridge Microwave Full spoiler = Further Information = Transmission: AS Tronic, 12-speed, automatic Suspension: Air suspension Front axle: Tire size: 385/55R22.5; Max. axle load: 8,000 kg; Steered; Left tire tread: 40%; Right tire tread: 40% Rear axle: Tire size: 315/60R22.5; Twin tires; Max. axle load: 12,600 kg; Left inner tread: 40%; Left outer tread: 40%; Right inner tread: 40%; Right outer tread: 40% GVW: 20,500 kg Body manufacturer: ZF Technical condition: good Visual condition: good Please contact VAEX The Truck Traders for further information.

Condition: new, functionality: fully functional, power: 433.94 kW (589.99 HP), fuel type: diesel, axle configuration: 4x2, fuel: diesel, brakes: retarder, color: black, driver cabin: sleeper cab, gearing type: automatic, emission class: euro6, suspension: air, Equipment: ABS, additional headlights, air conditioning, airbag, low noise, navigation system, onboard computer, parking heater, spoiler, traction control, 🇬🇧SCANIA 590 S Super FULL PNEUMATIC 4+2 🇬🇧BRAND NEW 🇬🇧IMMEDIATE DELIVERY 🇬🇧TO BE REGISTERED -Fully pneumatic suspension -Retarder -Full-body paintwork -Dual bunk beds -Parking air conditioning -LED headlights -Navigation system -Reversing camera -V8 leather interior -Digital dashboard -Coffee machine -Microwave oven -Fridge -Alloy wheels POSSIBILITY OF FINANCING OR CUSTOMIZED LEASING AVAILABLE ON SITE. FROM 24 UP TO A MAXIMUM OF 96 INSTALLMENTS, ALSO WITH ZERO DOWN PAYMENT. OTHER LOCATIONS OF OUR GROUP: DOMENICO TRUCK SRL – NAPLES BRANCH DOMENICO ESPOSITO S.P.A. – EBOLI (SA) BRANCH - OFFICIAL DEALER MERCEDES-BENZ, FUSO, FOTON TRUCK, PIAGGIO COMMERCIAL, AND MAXUS CONTACTS: 0823 1686306 335 6713062 – 377 7064530 BRANCH OPENING HOURS: MONDAY-FRIDAY 8:30/19:00 – SATURDAY 08:30/14:00 WE OFFER A WIDE SELECTION OF USED COMMERCIAL AND INDUSTRIAL VEHICLES OF VARIOUS BRANDS: Fiat – Hyundai – Daf – Mercedes Benz – Renault – Peugeot – Iveco – Mitsubishi – Scania – S-Way – S500-V8-650-580-730-S500-S 500-S500 – Stralis – MAN – Nissan V8 – Intarder- 770s – Limited Edition – 660 S Semi-trailer – Refrigerated semi-trailer – Tipper – Lamberet – Schmitz – Isuzu – Fixed bed – Crane – Tipper – 4 axles – Rear 4 axles – Tway – T-Way-540-460 hp – Xway – X-Way – Three-way tipper – V8 – Scania – Frost Edition Curtain-sided – Box van – Tail lift – Refrigerated Cell – Insulated with fridge – Van Nwsdev Sd Uqepfx Ah Hsb Domenico Truck srl declines any responsibility for possible discrepancies regarding technical equipment, options and features which may in some cases differ from those described. We invite you to verify the specific features of the vehicle.

Condition: new, functionality: fully functional, power: 433.94 kW (589.99 HP), fuel type: diesel, tire size: 385/55R22.5+315/70R22.5, axle configuration: 4x2, fuel: diesel, brakes: retarder, color: white, driver cabin: sleeper cab, gearing type: automatic, emission class: euro6, suspension: air, Equipment: ABS, additional headlights, air conditioning, airbag, low noise, navigation system, onboard computer, parking heater, spoiler, traction control, 🇬🇧SCANIA 590 S Super FULL AIR SUSPENSION 4+2 🇬🇧FACTORY NEW 🇬🇧READY FOR IMMEDIATE DELIVERY 🇬🇧TO BE REGISTERED -Full pneumatic suspension -Retarder -Full paint -Two bunks -Parking air conditioning -LED headlights -Navigation system -Reversing camera -V8 leather interior -Digital dashboard -Coffee machine -Microwave oven -Fridge -Alloy wheels FINANCING OR CUSTOM LEASING OPTIONS AVAILABLE ON SITE. FROM 24 UP TO 96 INSTALLMENTS, WITH ZERO DOWN PAYMENT OPTION. OTHER LOCATIONS OF OUR GROUP: DOMENICO TRUCK SRL, NAPLES BRANCH DOMENICO ESPOSITO S.P.A., EBOLI (SA) – OFFICIAL DEALER MERCEDES-BENZ, FUSO, FOTON TRUCK, PIAGGIO COMMERCIAL & MAXUS CONTACTS: 0823 1686306 335 6713062 - 377 7064530 Nwedjv Sfahjpfx Ah Hob SHOWROOM OPENING HOURS: MONDAY-FRIDAY 8:30AM/7:00PM – SATURDAY 8:30AM/2:00PM WE OFFER A WIDE RANGE OF USED MULTI-BRAND COMMERCIAL/INDUSTRIAL VEHICLES: Fiat – Hyundai – Daf – Mercedes Benz – Renault – Peugeot – Iveco – Mitsubishi – Scania – S-Way – S500 – V8 – 650 – 580 – 730 – S500 – Stralis – Man – Nissan V8 – Intarder – 770s – Limited Edition – 660 S – Semi-trailer – Refrigerated Semi-trailer – Lamberet – Schmitz – Isuzu – Fixed body – Crane – Tipper – 4 axles – Rear 4 Axles – Tway – T-Way – 540 – 460 hp – Xway – X-Way – 3-way tipper – V8 – Scania – Frost Edition – Curtain sider – Box body – Tail lift – Refrigerated cell – Insulated with fridge – Van Domenico Truck srl declines any responsibility for any discrepancies relating to technical specifications, options, and features that may, in some cases, differ from what is indicated in the description. We invite you to verify the specifications of the individual vehicle.

Condition: new, power: 433.94 kW (589.99 HP), axle configuration: 4x2, brakes: retarder, gearing type: automatic, emission class: euro6, suspension: air, Equipment: ABS, additional headlights, air conditioning, airbag, onboard computer, parking heater, spoiler, SCANIA 590 S Super FULL AIR SUSPENSION 4+2 Nwodpfx Aev D Ru Ioh Hsb BRAND NEW FROM FACTORY IMMEDIATE DELIVERY TO BE REGISTERED -Full pneumatic suspension -Retarder -Full paint -Two bunks -Parking air conditioning -LED headlights -Navigation system -Reversing camera -Leather interior -Digital dashboard -Coffee machine -Microwave oven -Refrigerator -Alloy wheels CUSTOMIZED FINANCING OR LEASING SOLUTIONS AVAILABLE ONSITE. FROM 24 UP TO 96 INSTALLMENTS, ALSO WITH ZERO DOWN PAYMENT. OTHER LOCATIONS OF OUR GROUP: DOMENICO TRUCK SRL NAPLES BRANCH DOMENICO ESPOSITO S.P.A. EBOLI (SA) BRANCH – OFFICIAL DEALER MERCEDES-BENZ, FUSO, FOTON TRUCK, PIAGGIO COMMERCIAL & MAXUS CONTACTS: 0823 1686306 335 6713062 – 377 7064530 OFFICE OPENING HOURS: MONDAY-FRIDAY 8:30/19:00 – SATURDAY 08:30/14:00 WE OFFER A WIDE RANGE OF USED MULTI-BRAND COMMERCIAL & INDUSTRIAL VEHICLES: Fiat – Hyundai – Daf - Mercedes Benz – Renault – Peugeot – Iveco – Mitsubishi – Scania - S-Way - S500-V8-650-580-730-S500-S 500-S500 – Stralis – Man - Nissan V8 - Intarder- 770s - Limited Edition - 660 S Semi-trailer – Refrigerated Tippler Semi-trailer – Lamberet - Schmitz Isuzu – Fixed bed – Crane – Tipper – 4 axles - 4 Rear Axles – Tway-T-Way-540-460 HP – Xway-X-Way-Trilateral – V8 – Scania – Frost Edition Tautliner – Box body – Tail lift – Refrigerated box – Insulated with fridge – Van Domenico Truck srl declines all responsibility for any discrepancies in technical features, options, and specifications that in some instances may differ from the description provided. We advise you to check the specifications of the individual vehicle.

Condition: used, This listing is for a LTE Scientific Unitemp filtered air drying Cabinet The unit is in full working condition and is ready for immediate release LTE Scientific Unitemp Filtered Air Drying Cabinet The LTE Scientific Unitemp Filtered Air Drying Cabinet is designed to provide a controlled, contamination-free environment for drying laboratory equipment. Featuring a fine filter on the air intake, it minimizes particulate contamination, ensuring that freshly washed items remain clean throughout the drying process. Key Features: Capacity: 534 liters, offering ample space for various laboratory drying needs. Temperature Control: Thermostatically controlled with a range from 5 °C above ambient to 65 °C, protected by an over-temperature cut-out device for safety. Air Circulation: A fan circulation system ensures even heat distribution for consistent drying. Nwsdexv D Eyspfx Ah Hjb Construction: Toughened plate glass door for easy monitoring and access. Additional Drying Cabinet Options: Economy Drying Cabinets Large capacity cabinets available at an economical price. Heaters are positioned at the bottom of the cabinet below a perforated base plate and vent through the top. Fan extraction models enhance drying efficiency by actively drawing air through the chamber. Temperature is controlled via a regulator.

Condition: used, Hydraulic power unit with piston pump PUMPEN WART in Erkrath High-pressure pump, high-pressure hydraulic unit (in need of repair) Type SJK2C Serial No. 48315, Order No. 230045 Year of manufacture: approx. 1975 Pressure capacity: 1000 bar (according to nameplate) Flow rate: 25 liters/min (according to nameplate) Flow rate: 25 liters/min (at 0 bar) Flow rate: approx. 3 liters/min (at 1000 bar) Nodjxcimpjpfx Ah Hswb Piston pump with 2 pistons, 50 mm stroke 280 double strokes per minute Tank capacity: approx. 100 liters Motor power: approx. 11 kW Power connection: 380 volts, 50 Hz Required space (L x W x H): 1000 x 600 x 1200 mm Weight: approx. 350 kg No proper function during test run, although the unit was last used on a test bench. Possible issues due to extended downtime and storage period. Sale without functional guarantee, without technical demonstration, at a special price.

Condition: used, suitable for nitrogen all stainless steel belt width ± 600 mm nett belt length ± 6.000 mm dimensions (l x w x h) : ± 7.600 x 1.500 x 2.300 mm Nsdpfjyfd R Nox Ah Hewb product height: max. ± 80 mm

Condition: good (used), Year of construction: 2002, For sale are 3 units of electrostatic industrial filters from the brand Air-Fresh-Service, model F-V10. Voltage/Frequency: 230V/50Hz Current: 1.0 A Power: 0.22 kW Transport and loading can be organized across Europe at an additional cost if required. Prices are exclusive of VAT. Nsdpoydlavsfx Ah Hswb Viewing is possible by appointment. Please contact us; our team will be pleased to assist you further. Machinery Purchase / Sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES, MACHINE TOOLS, AND MORE. Are you looking for a high-quality yet affordable machine for your production? Or do you want to sell yours? For further information or to get in touch, please use the contact form.

Condition: new, Year of construction: 2025, -Smart Safety Clean Air Enhanced Efficiency -Elevate your workplace safety with the TFON Airwet Series — a state-of-the-art wet-type air suction system engineered to eliminate sparks and dust produced during deburring processes. The Airwet Series significantly reduces the risk of fire and explosion, protecting both your workforce and your facility. -Fire & Explosion Prevention: Effectively minimizes hazardous particles and ignition sources right at the source Nwodpjvg U Dxofx Ah Heb -Enhanced Air Quality: Captures and removes airborne contaminants, creating a cleaner and healthier work environment Seamless Integration: Compact, space-saving design allows for easy installation into existing machinery and workflows. Increased Safety & Regulatory Compliance: Supports compliance with occupational health and safety standards, boosting overall operational safety

Year of construction: 1988, condition: used, Compressor unit type 178 A CD E Delivery volume 4760 l min Nsdpfx Ahsgw Dqpo Hewb 9 bar operating pressure KW 30

Condition: used, We offer air conditioning outdoor units in package deals with a mix of brands such as Panasonic, Mitsubishi, and Carrier (and similar top brands, depending on availability). These packages are ideal for trade, export, and installers looking to purchase in bulk. The packages are sold at a single fixed package price. No individual sales. Nedpfxoycr Scj Ah Howb If interested, feel free to send a message.