Zehnder ComfoAir 200 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs HR155CM 2 or Outside the unit

2 or Outside the unit comes pre-assembled and is easy to install in both new build or when replacing an existing fan

powerful axial fan has been designed with simplicity in mind

The Omnique window kit can be used with the OF100GIP and has been accredited under the Police 'Secured By Design Initiative' -proof that a window fan won't compromise your security

The motor speed is fully adjustable for low and high speeds (medium speed will be based on the mid point between the selected trickle and boost speed)

Zehnder ComfoAir 200 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs HR155CM 2 or Outside the unitIdeally, filters should be inspected monthly and given a light vacuum to remove dirt and debris. Filters will eventually become blocked with residual debris and should then be replaced. Generally, blocking will occur every 6 12 months depending on the location (near busy roads or inner city areas tend block more quickly than remote country settings). Zehnder P N 400 100 013