's MERV 20" x 25" x 1" HVAC Filter is the perfect addition to your home air filtration system. Featuring an advanced electrostatic media, this filter traps a wide variety of pollutants, allergens, and other airborne particles, making it perfect for those with allergies or asthma. With a low resistance design, it ensures maximum airflow without causing strain on your HVAC system, making it the perfect choice for any home.