Zehnder ComfoAir Q350/450/600 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs 990 320 846 The O-rings and locking slides

The O-rings and locking slides also help to prevent the ductwork being disconnected during first fix and maintain an airtight seal

Replaces FP2318

Transformer included The AXS100SVIT replaces the AX100 SVIT

for the wall or the ceiling

GD9 T-piece

Zehnder ComfoAir Q350/450/600 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs 990 320 846 The O-rings and locking slidesIdeally, 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). 50 x 16 x 2. 5cm Zehnder P N 400 502 013