The non-return valves minimize the ingress of air and external noise when the device is switched off. Set consists of 2 non-return valves.Article: WS 75 RK-Set, Installation location: KWL device, Housing material: plastic, Color: black, Weight: 0.1404 kg, Weight with packaging: 0.151 kg, Width: 170 mm, Height: 84 mm, Depth: 80 mm, Width with packaging: 267 mm, Height with packaging: 156 mm, Depth with packaging: 100 mm
