Zehnder WHR 918 filterset G4 + F7 Delivery time: 10 working days G4 + F7 House brand Recommended price £27.92 -20% £22.33 Item number: 38002031 Compare
Zehnder WHR 918 MVHR filter set G3 Delivery time: 10 working days Filter set 2x G3 filters Free filter service Recommended price £53.59 -20% £42.88 Item number: 38002038 Compare
Zehnder WHR 918 filterset G4 Delivery time: 10 working days 2x G4 House brand Recommended price £26.81 -20% £21.44 Item number: 38002030 Compare