Filterbuy 20x20x4 MERV 11 Filter (12-Pack) Allergen Defense
Electrostatic pleated HVAC filter replacement offering compatibility with furnaces, air conditioners, and heat pumps. 19.5" x 19.5" x 3.63" actual size; supports White Rodgers models. Customers note good fit and build; mixed feedback on dust collection
Highlights
- universal compatibility
- electrostatic pleated design
- actual size within 20x20x4 spec
Pros
- universal 20x20x4 compatibility
- high-quality build
- easy to install
- effective filtration (MERV 11)
Cons
- mixed feedback on dust collection
- size accuracy noted by some customers
Best For
Features
- Universal 20x20x4 compatible replacement air filters for furnaces and air conditioners
- MERV 11 performance for allergen capture and improved air quality
- Actual size 19.50 x 19.50 x 3.63 inches; designed for use with compatible HVAC systems
- Compatible with White Rodgers models ACM1600M, ACM1600M-108, FR1600-100, FR1600M-108, FR1600M-111
- Electrostatic pleated filter construction for efficient filtration in a 12-pack
