Aerostar MERV 11 Furnace & AC Filter, 21.5x23.5x1
Furnace and air conditioner pleated filter with MERV 11, designed to trap dust, pollen, mold, and allergens. Customers report good quality and easy installation, with some size variance noted
Highlights
- MERV 11 filtration
- pleated design for small particles
- easy installation
Pros
- filters microscopic particles
- easy to install and replace
- well-made and quality feel
- effective filtration for pet dander and dust
Cons
- size may vary from advertised
- mixed feedback on exact fit
Best For
Features
- Nominal and actual filter dimensions specified for proper fit
- Filters to 1000–1200 MPR equivalent and FPR 7 equivalent performance
- Designed to capture microscopic particles including lint, dust mites, spores, pollen, pet dander, fine dust, and smoke
- Simple installation with a cost-effective step toward healthier indoor air
