Fangrui Product Details Fangrui Product Details Fangrui Product Details [extra Large Size Cuttable]rv Air Conditioner Filter Measures 16 X 40 Inch, Can Be Cut To Any Size You Want, For All Kinds Of Rv/camper/travel Trailer Air Conditioners. The Extra Large Size Is Enough For You To Use For A Long Time. [effective Filtration]the Rv Ac Filter Is Specially Designed To Protect Your Rv, Camper, Trailer. It Is Made Of 50ppi Filter Foam With Better Adsorption And Filtration Effect, Which Can Effectively Filter Airborne Particles Such As Hair, Dust, Pollen And Smoke, Thus Prolonging The Lifespan Of Your Rv Air Conditioner. [enjoy The Fresh Air]thickness Super Strong Filtration Effect, It Can Effectively Purify The Air, Bring Fresh Air To Your Rv, Improve The Quality Of The Air Inside The Rv, And Make Your Journey More Enjoyable. [regular ]because The Camper Air Conditioner Filter Are Vacuum Packed, It Is Recommended That You Open The Package And Let It Sit For 2-3 Days Before Use. For Optimal Performance, It Is Recommended That