General description vhbw offers a G4 / F7 filter set in a 2-part pack designed for Pluggit ARFG4F7-150 ventilation devices. These replacement filters ensure your ventilation appliance operates efficiently and are easy to install without any tools. Technical specifications Filter class: G4 / F7 Material: plastic / polyester fleece Colour: white Weight: 148 g Dimensions - filter 1 (length x width x height): 14.5 x 29.5 x 4.6 cm Dimensions - filter 2 (length x width x height): 29.5 x 14.5 x 4.6 cm Usage The filters should be changed regularly to maintain optimal performance of your ventilation device. The air direction is clearly marked on the filter elements for proper installation.