Zehnder StorkAir WHR- 918 | 920 (3) Filters Sort by: Default Popularity Newest products Lowest price Highest price Name ascending Name descending List Zehnder Filterset WHR 918 | G3/G3 | 400100035 € 28,75 Quicklook Add to wishlist Compare Compare Zehnder Filterset WHR 920 | G4/F7 | 400100013 € 35,45 Quicklook Add to wishlist Compare Compare Zehnder Filterset WHR 920 | G4/G4 | 400100019 € 30,25 Quicklook Add to wishlist Compare Compare