General description vhbw offers a clever solution with this G4 / F7 air filter set, designed specifically for Wernig ComfoSpot 50 ventilation devices. This 4-part kit ensures your ventilation appliance is ready for use again, providing effective filtration for cleaner air. Technical specifications Dimensions per filter (L x W x D): approximately 18 x 12 x 4 cm Filter class: G4 / F7 Type: pollen filter / coarse dust filter Folding: Z-Line Material: synthetic fibre Colour: white Weight: 55 g Compatibility and accessories Compatible with Wernig ComfoSpot 50 Replacement for Wernig 527005400 Installation Filters can be inserted quickly and without tools into the slide compartment of the ventilation unit. Usage The coarse dust filter (G4) removes hair, insects, sand, and other coarse dust from the air drawn into the unit. The pollen filter (F7) provides additional protection against fine dust and pollen. To maintain filter performance, the filters should be changed regularly. Other