Aerostar 18x20x1 MERV 8 pleated HVAC filter (4 count)
High-efficiency pleated furnace/air conditioner filter with a nominal size 18x20x1 and actual 17 3/4" x 19 3/4" x 3/4". Filters microscopic particles like lint, dust, spores, and pollen for improved indoor air quality. One customer noted it works like an air purifier
Highlights
- MERV 8 filtration
- filters lint, dust mites, spores, pollen
- actual size close to nominal size
Pros
- filters microscopic particles
- compatible with 18x20x1 sizing
- simple to install
- cost-effective option
Cons
- some compatibility issues reported with 18x20x1 units
- size may be oversized for some units
Best For
Features
- Nominal 18x20x1 fits actual 17 3/4" x 19 3/4" x 3/4" filter size
- MERV 8 rating with 100% synthetic electrostatic media
- Captures lint, dust mites, spores, and pollen particles
- Helps improve indoor air quality with a simple, cost-effective install
- Replace every 60–90 days (30 days in peak heating/cooling periods)
