Zehnder ComfoAir 350/550 Filter Set, ISO ePM1 (F7), 2 pcs 150-350 Its SMARTer beacause in contrast

Its SMARTer beacause in contrast to traditional timers

quicker way than using a simple touch pad to ensure that the job is done with accuracy and speed

VASF 100T Silent Fan Timer 2 Year warranty

Size: 27cm x 18

Zehnder ComfoAir 350/550 Filter Set, ISO ePM1 (F7), 2 pcs 150-350 Its SMARTer beacause in contrastIdeally, 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). To see the Zehnder Filter fiting video on youtube please select: Comfo Air 350 Filter video Zehnder P