Special features: Exhaust nozzle can be converted from side to back without tools. Side mounting grooves for mounting with mounting brackets or in pre-wall installations. Automatic plastic non-return valve that also functions as a cold smoke barrier. For applications in accordance with DIN 18017-3. Single-room ventilation: Installation in bathrooms, toilets and apartment kitchens. Installation inside and outside the shaft in the wall and ceiling is possible. Low installation depth of the flush-mounted housing and cover. 6 side-mounted mounting grooves enable easy installation. All-round frame enables further fastening options. Flexible cable entry enables electrical connection from the side or from the back. Simple electrical wiring on a practical pin strip terminal. With plaster protection cover to close the housing during the shell construction phase. Plastic exhaust nozzle that can be converted without tools with automatic plastic non-return valve for side (top, left, right) and rear blow-out direction. Connection diameter DN 75/80. Predetermined breaking point for second room connection or WC connection piece included as standard in the ER GH housing. General building approval, approval number: Z-51.1-38. Approval notices on request or on our homepage www.maico-ventilatoren.com. Plastic parts normally flammable according to DIN 4102-1 Class B 2 (according to EN 13501-1). Optional accessories: Extractor nozzle ER-AS for toilet seat ventilation, second room connection ER-ZR, mounting set ER-MS, mounting bracket ER-UPMArticle: ER GH, design: plastic exhaust nozzle convertible to side/rear with automatic plastic non-return flap, without fire protection housing, second room connection right/left/bottom possible, air direction: ventilation, installation location: wall / ceiling, installation type: flush-mounted, housing material: plastic, color: black, weight: 0.59 kg, weight with packaging: 0.89 kg, fire protection: no, exhaust direction: side / rear, connection diameter: 75 mm / 80 mm, width: 250 mm, height: 250 mm, depth: 110 mm, width with packaging: 350 mm, height with packaging: 290 mm, depth with packaging: 130 mm, approval number: Z-51.1-478