Zehnder ComfoAir Q350/450/600 Filter Set, ISO Coarse (G4), 2 pcs self_seal_ducting humidity with timer and motion

humidity with timer and motion sensor with timer

Size: 23x26 cm

3 Genuine Filters G4 (Bypass units)

Pre-insulated one-piece

This replacement filter set for the DV50 features three filters

Zehnder ComfoAir Q350/450/600 Filter Set, ISO Coarse (G4), 2 pcs self_seal_ducting humidity with timer and motionIdeally, 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 400 502 012