Fangrui Product Details The Rv Air Filters.precisely Cut (14 X 7.5 Inch),it Is Compatible With Filter Numbers 3313107.103 3105012.003 3104928.019 For Duo Rv [enjoy Air]: The Dust And Other Harmful Substances Outside The Motorhome During The Journey Threaten The Health Of Passengers. Installing This Rv Ac Filter Can Create Protection For Your Respiratory Health. It Well Filter The Dust, Hair, Pollen, Etc. Entering The Car To That You And Your Family And Healthy Air. At The Same Time, It Reduce The Difficulty And Frequency Of Cleaning Your Car [reusable And Washable]: This Filter Is Made Of Advanced High Density Filter Foam Material. It Has A Compact Structure And Is Not Easy To Block. It Can Be Washed Clean With Water And Reused For Many Times, Saving A Large Bill For Your Travel And Rv. It Can Captures Debris, Dust Particles And Hair In The Air Efficiently, Doesnt Get Stuck In Your Ac. This Also Helps To Extend The Life Of Your Unit [4 Packs]: Enough For Using For 2 Years Or More. It Is Recommended That You