<br><b> Bettervent Polyester Filters for Bettervent Indoor Dryer Vent.</b>The lint filter traps lint and debris from the exhaust air flowing from dryer. <br><br><b>TRAPS LINT FLOW</b> Rated to Trap Fine Lint and Dust Particles. EASY TO CLEAN Filter can be lightly vacuumed for longer use. IMPROVES AIR QUALITY Protects your indoor air quality. Easy To Clean: Filter can be vacuumed for longer use. Flow rated to trap fine lint and dust particles. <br><br><b>Filter Insert Instructions for Use: </b> <br>Step 1: Open & Remove OLD Indoor Dryer Vent Filter <br>Step 2: Replace Filter with NEW Essential Values Filter With Blue Side Facing In Toward BetterVent <br>Step 3: Close & Latch Indoor Dryer Vent System <br><br><b>Please Note:</b> <br>Lint build up is a fire hazard! Remember to clean out your lint filter between each load to avoid Dryer Fires. <br>Replace if lint is not being caught or there is a hole in the screen. <br>This is intended as a guideline only, as other items can cause the same symptoms.