Filterbuy 20x21.5x1 MERV 11 pleated air filters (12-pack)
MERV 11 electrostatic pleated air filters for furnaces, ACs, or heat pumps. Helps capture dust with minimal airflow restriction. Customers note easy installation and good value, though some report sizing tweaks needed
Highlights
- MERV 11 synthetic media
- captures 95% of dust
- actual size 19.88 x 21.50 x 0.75
Pros
- universal compatibility 20x21.5x1
- MERV 11 filtration
- electrostatic pleated media
- easy installation
- perceived good value
Cons
- size may not be exact for some units
- mixed feedback on fit
Best For
Features
- Universal 20x21.5x1 replacement filters fit furnaces, air conditioners, or heat pumps (actual size 19.88 x 21.50 x 0.75)
- MERV 11 filtration captures 95% of dust and allergens with synthetic media
- Electrostatically charged pleated media with 14 pleats per foot for longer-lasting filtration
- Dual wire backing and beverage board frame improve durability in extreme temperatures