A PERFECT FIT: This 14x20x1 replacement air filter fits your furnace, air conditioner, heat pump, or HVAC system (actual size: 13.78 x 19.8 x 0.79 inch) for cleaner air. Features a MERV 13 rating and HEPA filtration MERV 13 with HEPA: The HEPA-Type filter protects your home, removing 95% of airborne particles WITHOUT impacting the air flow of a furnace or HVAC. SUIT YOUR NEEDS: If you have pets or allergies, MERV 14 is a great baseline. Homes with smokers or a wood-burning fireplace should pick MERV 12-13. MERV 14+ are generally for hospitals, schools, and environments with high air quality requirements.
