General description vhbw offers a clever solution with this G4 / F7 filter set, designed specifically for Wernig ComfoAir 70 ventilation devices. This 10-part kit ensures your ventilation appliance is ready for use again, providing effective air filtration. Technical specifications Dimensions per filter (L x W x D): approximately 19 x 10 x 3 cm Filter class: G4 / F7 Type: pollen filter / coarse dust filter Folding: Z-Line Material: synthetic fibre Colour: white Weight: 35 g Compatibility and accessories Compatible with Wernig ComfoAir 70 Replacement for Wernig EFS CA 70 G4, 527005190 Installation Filters can be inserted quickly and without tools into the slide compartment of the ventilation unit. Air direction is marked on the filter elements for easy installation. Usage Regularly change the filters to maintain optimal filter performance. The coarse dust filter (G4) removes hair, insects, sand, and other coarse dust from the air. The pollen filter (F7) provides additional protection