Zehnder Air Filter for Zehnder ComfoAir Q 350/450/600 | 1 Filter Set | Filter Set G4 | ISO Coarse | Original | 2x Panel Filters Z/Line Box 160 x 500 x 25 mm G4 | 400502012 : Amazon.de: Home & Kitchen
Zehnder ComfoAir E 300 / 400 MVHR filter set G4 + F7 | Ventilationland