HIGHER QUALITY AIR FOR YOUR HOMEVenti Tech's filters are made with woven polypropylene media that enhances particle capture due to its electrostatic properties. Sit back and relax, knowing that with each cycle through your heating and cooling system your indoor air becomes cleaner and fresher. DON'T TORMENT YOUR HVAC SYSTEM, WORK WITH ITHaving the wrong kind of filter in your HVAC System can add unnecessary stress to the unit. Pleated high-MERV filters restrict the movement of air into the blower and efficiency is then reduced. Venti Tech's washable electrostatic air filters are engineered to reduce air flow resistance, extending the life of your HVAC system and delaying replacement for years to come. SAVE THE PLANET, SWITCH TO WASHABLE FILTERSThe average person in the US will go through more than 300 disposable filters in their lifetime. Switching to washable air filters is a simple action that can have a substantial impact in your journey towards a more sustainable life. Plus, you can save money too!INSTALLATION Install in any direction. Metal construction and tight tolerances may need some light pushing or tapping when inserting into the HVAC slot. Clean every 2-3 months by flushing water in opposite direction of air flow and rinse thoroughly. Let air dry before reinstalling. Product Details: Galvanized Steel FramePolyester and Woven Polypropylene MediaLifetime Electrostatic PropertiesCaptures 93% of particles up to 10 micronsDrain holes in frame for better cleaning and dryingResidential, Commercial and Industrial UseSize: 14x20x1" (Real size: 13 3/4" x 19 3/4" x 7/8") Breathe in the Air. Become part of the Venti Tech family today and click "Add to Cart" now!