General description vhbw offers a G4/F7 filter set designed for Wernig EFS CA 70 G4 ventilation devices. This 2-part kit includes a coarse dust filter (G4) and a pollen filter (F7), ensuring your ventilation appliance operates efficiently by removing various airborne particles. Technical specifications Dimensions per filter (L x W x D): 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 Installation The 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 proper installation. Usage Regularly change the filters to maintain optimal filter performance. Other information Contents of delivery: 1x filter F7, 1x filter G4