Panasonic Natural Air Intake Vent (with Air Intake Purifier Filter) FY-GKF43L-W

The intake air purifying filter removes dust particles such as pollen and takes in clean outside air. (The recommended replacement period for the intake air purifying filter is approximately 2.5 to 3 years, with a water wash once every 6 months)Constant air volume functionConstant air volume adjustment method: 30 m3/h when weight is attached, 20 m3/h when weight is removedEffective opening area: 12 cm2Manual opening and closing shutter Application: Living room Applicable pipe diameter: Nominal diameter φ101 mm Replacement intake air purifying filter (sold separately) FY-FB12 *When using, use in the "open" position (move the lever to the right). *When it is raining, snowing, or windy, such as during a typhoon or blizzard, temporarily close the shutter. If the outside temperature is below -5°C and the indoor temperature is high (20°C indoors, relative humidity above 50%), condensation may occur on the surface or inside of the main unit, so wipe it off with a cloth.