Aerostar MERV 11 Pleated Furnace Filter 20x25x4 (6 ct)
MERV 11 pleated furnace filter designed to capture dust, pollen, pet dander, and other microscopic particles. Users note good value and quality, with mixed feedback on fit and airflow
Highlights
- MERV 11 filtration for small particles
- comparable to MPR 1000-1200 & FPR 7
- actual size close to nominal size
Pros
- captures dust, pollen, pet dander
- valued for quality and functionality
- designed to fit nominal size
Cons
- mixed feedback on fit width
- airflow performance varies
- some reports of damaged/fragile filters
Best For
Features
- Nominal size 20x25x4; Actual size 19 1/2"x24 1/2"x3 3/4"; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7.
- Designed to filter microscopic particles such as lint
- dust mites
- spores
- pollen
- pet dander
- fine dust
- and smoke