Aerostar 20x20x4 MERV 11 Pleated HVAC Filter
MERV 11 pleated filter for furnace and AC. Traps dust, pollen, pet dander, mold, and smoke-related particles. Customers note good quality and value, with some comments on fit size
Highlights
- MERV 11 filtration
- actual size provided
- dust and allergen reduction
Pros
- filters microscopic particles like lint and pollen
- good quality and value for money
- universal compatibility with HVAC systems
Cons
- size may be smaller than expected
- sturdiness criticized as flimsy cardboard
Best For
Features
- Nominal size 20x20x4 with actual 19 1/2x19 1/2x3 3/4 inches
- MERV 11 rating; compatible with MPR 1000-1200 and FPR 7
- Electrostatically charged synthetic media for high filtration and low air resistance
- Filters microscopic particles: lint, dust mites, spores, pollen, pet dander, fine dust, and smoke
- Replace every 3-6 months; simple installation and 6-count pack