General description vhbw offers a clever solution with this G4 / F7 air filter set, designed specifically for Zehnder ComfoAir 300 Standard ventilation devices. This 4-part kit ensures your ventilation appliance is ready for use, providing effective filtration to maintain air quality. Technical specifications Dimensions per filter (L x W x D): 50 x 16 x 1 cm Filter class: G4 / F7 Type: pollen filter / coarse dust filter Material: synthetic fibre / plastic Colour: white / green / yellow Weight: 511 g Replacement cycle: every 6 months Compatibility and accessories Compatible with: Zehnder ComfoAir 300 Standard Replacement for: 006040200, 006040202, 006040220, 400100085 Installation Filters can be inserted quickly and without tools into the slide compartment of the ventilation unit. Usage The coarse dust filter removes hair, insects, sand, and other coarse dust from the air drawn into the unit. The pollen filter provides additional protection against fine dust and pollen. Regularly