Scheppach Heavy Duty Air Filter with energy-saving 100-watt motor giving ultra-quiet operation The Scheppach Heavy Duty Air Filter HDA-14 filters hazardous suspended particles up to a size of 1 μm and thus maintains a good and healthy indoor climate in the workplace and the office. The additional pre-filter filters dust as well as finest dust particles and aerosols from the air. The air filter can be applied by a remote control from up to 10 m and can therefore be installed under the ceiling to save space. It has 3 different speeds and comes with a programmable timer function so you can leave the unit to run for a certain period before the device switches off. Features: Extremely energy-saving 100-watt motor 740 m³/h air filter performance Ultra-quiet operation with max. 60 dB Filtration of fine dust particles and aerosols of up to 1 μm Three different settings to ideally adapt to current requirements Timer for run-on and automatic switch-off Suitable for workplaces of up to 400 m² Can be conveniently and space-savingly mounted under the ceiling Comes With: Practical remote control is included Specification: Dimensions L x W x H: 515 x 437 x 247 mm Air flow: 600m3/h / 675m3/h / 740m3/h Adjustable switch-off times: 60 min / 120 min / 240 min Filter surface plate filter: 215 m³/h Filter surface internal filter: 0,1 m2 Volume: 50dB / 55dB / 60dB Motor: 240V Input: 100W