Reddit reviews Ventilaider Complete Air Vent Register Filter Set Cut to Fit Any Size 16" x 60" & 50" Installation Tape, Electrostatic Fabric. Purifies Air, Helps Reduce Dust from Ducts, AC Furnace System

Electrostatic Non-Woven Polyester FabricEFFECTIVE AIR FILTER - Notice how small strands of hair cling to polyester clothing. Electrostatic filter media works on the same principles trapping dust and dirt within your home to help you breathe easier. Thin polyester fabric aids in more airflow and is superior to cheesecloth and gauze. Filter also guards against undesirables from entering your home.AMAZING VALUE - Each package comes with a 16 inch x 60 inch roll of filter media and a 50 inch installation strip. This can cover 20 standard vents. Inexpensively cover nonstandard larger sized vents.FLEXIBLE DIY DESIGN - Cut to fit filter media roll and installation strip allows you to fit vents of any size. Also works for window coverings and other unconventional problems you may have.100% MONEY-BACK GUARANTEE - Ventilaider Filters is committed to home air filtration and purification. Experience the difference in the air or your money back, no questions asked. Just a prompt, courteous refund. At Ventilaider Filters, we want to ensure you are breathing easy in the comfort home or your place of work.