Northwest Enterprises Cut To Size Floor Vent Air, 12" X 90" Triple Filtration ?PREMIUM MERV 8 TRIPLE FILTRATION: A floor vent filter and air vent filter kit - Our cut to fit air filter kit is a specifically engineered air filter material roll for your home vent filter needs. Our cut to size air filter media is 100% polyester that filters unwanted air particles that may cause sneezing, coughing, and red itchy eyes. Prevents debris from falling into the ducts and guards against creepy crawlees travelling in you air ducts. ? QUICK AND EASY INSTALLATION. Face the filter so the air enters the white side and exits the blue side. This cut-to-fit HVAC filter media roll is compatible with all sizes of air vents, registers, and grilles. Covers all types of vents on floors, ceilings, walls, windows, AC vents and HVAC vents. Cut to any standard vent register sizes such as 4"x10", 4"x 12", as a circle vent filter or on return air vents. Perfect for a fan filter, box fan filter, and other DIY projects too! ?THE BEST VALUE MERV 8 VENT FILTER MEDIA ROLL FOR YOUR MONEY! This Kit comes with a 90" x 12" of premium filter material and 24" of adhesive hook tape. Great filter fabric for homes, RV air conditioner filters, RV ac filter, mobile homes, campers, ac vent filter, or as a window ac filter. This washable air filter is multipurpose for other DIY projects too! ?SO MANY BENEFITS! CLEAN LESS dust in your home every week! SAVE TIME Cleaning! SAVE MONEY by not having to clean your air ducts! BREATH CLEANER AIR EVERY DAY! Replace Furnace Filters less often by using this as a superior pre-filter air vent filter, return vent filter, air duct filter, heating vent filter, RV air filter or Dryer Filter Replacement for Indoor Dryer Vents. ?MADE FROM 100% NON-WOVEN POLYESTER: VERY LITTLE TO ZERO REDUCTION IN AIR FLOW! This series of filter is engineered from 100% non-woven blue and white polyester. Two distinctly different plies of media are utilized, each being more dense than the one preceding it. The progressively dense fiber orientation of each media layer enables the small micron size particles to depth load within the filter. Followed by an Adhesive Stage on the MERV 8 only for the final triple filtration.