Aerostar 21 1/2x21 1/2x1 MERV 13 Pleated Air Filter
Aerostar pleated air filter, nominal 21 1/2 x 21 1/2 x 1, designed to trap microscopic particles. Customers note good quality, easy installation, and effective filtration for dust and pet hair
Highlights
- MERV 13 filtration
- easy installation
- fits 21 1/2 x 21 1/2 x 1 furnaces
Pros
- good build quality
- easy to install and replace
- effective filtration for dust and pet hair
- fits furnaces well
Cons
- size reception varies across customers
Best For
Features
- Nominal filter size 21 1/2 x 21 1/2 x 1 inch
- MERV 13 rated pleated air filter for residential use
- Filters microscopic particles including lint, dust mites, spores, pollen, pet dander
- Designed for AC/furnace systems; compatible with standard 21 1/2 x 21 1/2 inch frames
- Box of six; made in the USA
