Rheem 20x20x1 merv 4 3 pack.

Indoor air quality is commonly affected by particles such as dust, pet dander, and viruses. BestAir is dedicated to providing a clean and comfortable indoor environment for everyone. Our MERV 10 Allergens Air filter provides high-performance allergen reduction while with minimal pressure drop to allow your HVAC system to perform efficiently. Using our best technology and design, this BestAir air filter is designed to reduce up to 95% of airborne particles. Protect your home and work environments today with Rheem!