Filterbuy 21x21x5 MERV 11 Air Filter for HVAC (1-Pack) 20.63 x 20.63 x 4.38
MERV 11 pleated air filter for furnaces, air conditioners, and heat pumps. Helps capture dust and allergens while maintaining airflow. Customers note good fit and quality
Highlights
- MERV 11 synthetic media
- captures 95% of dust
- actual size 20.63 x 20.63 x 4.38
Pros
- effective dust and allergen capture
- good fit for 21x21x5 openings
- suitable for multiple HVAC systems
- durable, long-lasting performance
- electrostatic pleated media
Cons
- actual size differs from nominal 21x21x5
- no price or availability details provided
- requires proper sizing for optimal fit
Best For
Features
- MERV 11 performance filters allergens with synthetic media
- Actual size 20.63 x 20.63 x 4.38 inches; 8 pleats per foot
- Electrostatically charged media traps microscopic particles
- Durable beverage board frame with dual wire backing
- Compatible with Rheem, Ruud, and Protech models PD540018 / 540012
