DESIGNED TO FIT: Nominal 21.5x23.3125x1, actual size 21.5x23.3125x0.75. Replacement furnace filters and HVAC filters for Carrier, Trane, Lennox, Rheem, Goodman, York, Honeywell systems.
MERV 13 PROTECTION: Captures dust, pollen, pet dander, mold spores, lint, fine dust, smoke, and bacteria-sized particles. Comparable to Filtrete MPR 1500 and Honeywell FPR 10.
4-PACK, 90-DAY LIFE: Each filter lasts up to 3 months under typical use. Replace every 90 days, or every 30 days in homes with pets, smokers, or high dust.
PLEATED ELECTROSTATIC MEDIA: Synthetic charged media captures more particles than flat fiberglass filters while maintaining low airflow resistance to support HVAC efficiency.
MADE IN USA: Manufactured in American facilities with a reinforced moisture-resistant frame that prevents filter collapse and air bypass over the full 90-day life.
Aerostar 21.5x23.375x1 MERV 8-4 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen
KWD 21
Aerostar 21.5x23.3125x1 MERV 8-4 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen
KWD 21
Aerostar 20x25x6 MERV 11-2 Count - Pleated Furnace & Air Conditioner Filters - Removes Dust, Cold & Flu Germs, Lint, Mold, Pet Dander, Allergy-Causing Pollen, Smog & Smoke
KWD 23.500
Aerostar 13x21.5x1 MERV 8 Pleated Air Filter, 6 Pack, AC Furnace Filter, HVAC Filter for Home (Actual Size: 12.875x21.5x0.75)
KWD 25
