Aerostar 16x25x4 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 2 Pack (Actual Size: 15 1/2\ x 24 1/2\ x 3 3/4\)
- Comparable to MPR 1000 to 1200 Micro Allergen Defense and Honeywell Allergen Plus FPR 7.
- Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke..
- Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months.
- 100% synthetic electrostatic media for high efficiency with low air flow resistance.