vhbw - the clever way Replacement pollen filter for your ventilation appliance With these pollen filters from vhbw, your ventilation unit is ready for use again. The filters remove pollen, hair, coarse particles and fine dust to ensure clean, allergy-friendly household air. The filters can be can be installed quickly and without tools into the slide compartment of the ventilation unit. To maintain the filter performance of your fan, the filters should be changed regularly. CONTENT OF DELIVERY: - 2x pollen filter TECHNICAL DETAILS: - Dimensions (L x W x H): 45.7 x 23.2 x 4.9 cm - Filter class: F7 - Material: regenerable synthetic fibre - Replacement cycle: every 3 - 6 months - Colour: black / white Compatible with Helios KWL EC 500 PRO - Helios KWL EC 500 W Replacement for Helios 00042 vhbw - High-quality replacement parts and accessories to prolong the service-life of your electronic devices.