Filter for Zehnder ComfoAir 350/550, refill for reusable frame, ISO Coarse / ISO ePM1 (G4 / F7), 2 Pieces

This product is found in the ComfoAir 350 and the ComfoAir 550.  The filter set (refill pack) keeps your indoor air clean and protects your ventilation system against pollution - ePM1 (F7) / CRS (G4). The pack contains;

• 1 x Hygiene Filter: prevents small particles such as pollen, (fine) dust, mould and bacteria from entering the house
• 1 x System Protection Filter: protects the ventilation unit against pollution in the air extracted from your rooms
• Easy to switch between replaceable inlays
• Save money on premium Zehnder quality