Renovent Excellent 300 and 400, set G3 / F7 filter for the lower filter of the Renovent Excellent, you can choose a fine dust filter (F7 filter). The G3 filter is used under normal dust load. This filter removes 95% of dust particles, spores, hairs, sand and textile fibres. 

The F7 fine dust filter is used when there is moderate to high dust. This filter removes 99% of the smallest particles, including pollen, spores, hairs, sand and textile fibers, cement dust, pollen and dust mite droppings.

Article number Installation Guide: 531 773
Filter Size: 525 x 185 mm