Air conditioning external filter: In fact many cars are not including and but we developed specifically for high-polluting environment outside the filter and still no improvement at this pointthe car in the fan mouth with the Is a black fence that device can only filter large leaves of impurities and the like can not filter dust and harmful gases fans exposed for a long time outside the fan above the dust will inevitably adsorb impurities once the air is humid fan blades The above dirt will degenerate moldy resulting in pungent odor and harmful gases and now we developed this external filter is based on the principle of double-filter production ofeasy to install simple and effective protection Fan filter harmful substances in the air to achieve the effect of double-filter the car will become high-quality air up air-conditioning fan will not often go to the cleaning.Feture:1.High filtration efficiency.2.High dust holding capacity.3.Good temperature Resistance.4.Economical practical and easy to install.Specification:Item Name: External Air FilterPart Nunber: 72880FL000Application:for Subaru Forester SK FB20 2.0L 2017-2020for Subaru XV GT FB20 2.0L 2018-2020Colour:As shownMaterial:ABSPackage Contents:1 * Air FilterOnly the above package content other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.