Filterbuy 21x21x1 Air Filter, MERV 11, 12-Pack
MERV 11 pleated air filters for furnaces, ACs, or heat pumps. Enhances system efficiency and captures dust, pollen, and pet dander. Customers note solid quality, easy installation, and good value, with some size fit concerns
Highlights
- MERV 11 synthetic media
- Actual size 20.88 x 20.88 x 0.75
- Universal compatibility within 21x21x1
Pros
- MERV 11 filtration
- Electrostatic pleated design
- Easy installation
- Solid build quality
- Good value for money
Cons
- Some customers report size not fitting exactly
Best For
Features
- Universal 21x21x1 replacement filter for furnaces, ACs, and heat pumps
- MERV 11 synthetic media captures dust, pet dander, and allergens with 95% efficiency
- Electrostatically charged with 14 pleats per foot for longer-lasting filtration
- Durable beverage board frame with dual wire backing resists high temperatures
- Made in the USA from recyclable materials with actual size 20.88 x 20.88 x 0.75 inches