Aerostar MERV 13 furnace/AC filter 21.5 x 23.3125 x 1
Aerostar pleated furnace/air conditioner filter with MERV 13 efficiency. Filters microscopic particles like lint and allergens. Customers note good quality, easy installation, and effective filtration for dust and pet hair
Highlights
- MERV 13 filtration
- pleated design for small particles
- easy installation
Pros
- good build quality
- easy to install and change
- effective filtration for dust and pet hair
- handles allergen reduction
- fits furnaces and AC systems
Cons
- size sometimes reported as slightly off
- mixed feedback on exact dimensions
Best For
Features
- Nominal size matches 21-1/2 x 23-5/16 x 1 inch
- MERV 13 filtration for particles like dust, pollen, pet dander
- Designed for furnace and air conditioner use with pleated construction
- Filters microscopic particles such as lint, dust mites, spores, mold
- Comparable performance to MPR 1500–1900 and Honeywell Allergen Elite FPR 10