Zehnder ComfoAir Q350/450/600 Filter Set, ISO Coarse (G4), 2 pcs NON2026PROMO 4eHT is a modern update

4eHT is a modern update of Greenwood Centair/CML offering improved energy efficiency

Flow control to maintain commissioned flow rates

Hi Flow Max Pump AC FP3349

ISO ePM1 55% (F7) filter option

Zehnder ComfoAir Q350/450/600 Filter Set, ISO Coarse (G4), 2 pcs NON2026PROMO 4eHT is a modern updateIdeally, 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