Zehnder ComfoTube Flat 51 Manifold Cover with Dia 160mm Pipe Adaptor, For 6 Port Manifold filter 30 or 40 minutes and

30 or 40 minutes and an optional two minute delay start on timer version

and low noise whilst maintaining high energy efficiency

which makes it an ideal home ventilation solution

'X' suffix models also have powered electric anti-backdraught shutters 251610

Bilamina 600 rectangular grille

Zehnder ComfoTube Flat 51 Manifold Cover with Dia 160mm Pipe Adaptor, For 6 Port Manifold filter 30 or 40 minutes andThe Zehnder ComfoTube Flat 51 manifold cover has a 160mm diameter pipe adaptor. The rigid gasket seal connector can be used to connect 160mm rigid round duct to the Zehnder ComfoTube Flat 51 manifold. It measures 38mm high x 261mm deep x 261mm wide. Zehnder P N 990 322 037