Replacement Air Filter Set for Zehnder ComfoAir 350 500 550 Ventilation 2 Set
Zehnder ComfoAir 350. Zehnder ComfoAir 500. Zehnder ComfoAir 550. Compatible with select Zehnder ventilation systems. Zehnder ComfoD 350. Zehnder ComfoBox. Zehnder ComfoBox Apart. Zehnder ComfoFond-L Eco.