Aerostar 21 1/2 x 23 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack
Aerostar 21 1/2 x 23 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack
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Aerostar

Aerostar 21 1/2 x 23 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack

3.8 stars out of 4 reviews
(3.8)|
4 ratings

Key item features

  • Precise Dimensions: Nominal Size: 21 1/2 x 23 1/2 x 1, Actual Size: 21 1/2" x 23 1/2" x 3/4"
  • High Filtration: Filters out microscopic particles and allergens such as lint, dust mites, spores, and pollen
  • Electrostatic Material: Made with electrostatically charged synthetic material for high filtration efficiency with low air flow resistance
  • Optimal Replacement: For best results, change your filters every 60-90 days; increase frequency to every 30 days during peak summer and winter months
  • Enhanced Efficiency: Improves HVAC unit efficiency by removing dirt and reducing strain on the motor, lowering utility and maintenance costs
  • USA Made: Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions
  • Six Pack: Comes in a convenient pack of 6 filters for extended use
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Current price is $64.75$10.79/count
Price when purchased online
  • Free shipping
  • Free 30-day returns

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Columbus, 43215
Arrives by Mon, Feb 9
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Sold and shipped by Aerostar
4.5042602633617355 stars out of 5, based on 1291 seller reviews(4.5)
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Aerostar 21 1/2 x 23 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack
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Comparison Chart:
Air filter size23.5 x 23.5 x 1Aerostar 21 1/2 x 23 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack23.5 x 23.5 x 1Aerostar 21 1/2 x 23 1/2 x 1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack16 x 20 x 2Aerostar 21 1/2 x 23 5/16 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack23.5 x 23.5 x 1Aerostar 21 1/2 x 23 1/2 x 1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack-Aerostar 21 1/2 x 23 3/8 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack-Pamlico Air 21-1/2 x 23-5/16 x 1 MERV 8 Pleated AC Furnace Air Filters. Quantity 6. (Actual Size: 21.5 x 23-5/16 x 0.75 Inches)-Filterbuy 21.5x23.25x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)-21-1/2 x 23-5/16 x 1 MERV 8 ( MPR 600, FPR 5-6 ) 1" Air Filters for AC & Furnace. Case of 12. Exact Size: 21-1/2 x 23-5/16 x 3/4-Filterbuy 21x23x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
Minimum efficiency reporting values (merv)8Aerostar 21 1/2 x 23 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack11Aerostar 21 1/2 x 23 1/2 x 1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack8Aerostar 21 1/2 x 23 5/16 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack13Aerostar 21 1/2 x 23 1/2 x 1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack8Aerostar 21 1/2 x 23 3/8 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack8Pamlico Air 21-1/2 x 23-5/16 x 1 MERV 8 Pleated AC Furnace Air Filters. Quantity 6. (Actual Size: 21.5 x 23-5/16 x 0.75 Inches)8Filterbuy 21.5x23.25x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)821-1/2 x 23-5/16 x 1 MERV 8 ( MPR 600, FPR 5-6 ) 1" Air Filters for AC & Furnace. Case of 12. Exact Size: 21-1/2 x 23-5/16 x 3/48Filterbuy 21x23x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
Contaminants removedPollenAerostar 21 1/2 x 23 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 PackDustAerostar 21 1/2 x 23 1/2 x 1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 PackPet DanderAerostar 21 1/2 x 23 5/16 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 PackDust MitesAerostar 21 1/2 x 23 1/2 x 1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 PackDustAerostar 21 1/2 x 23 3/8 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 PackDustPamlico Air 21-1/2 x 23-5/16 x 1 MERV 8 Pleated AC Furnace Air Filters. Quantity 6. (Actual Size: 21.5 x 23-5/16 x 0.75 Inches)AllergensFilterbuy 21.5x23.25x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)Dust21-1/2 x 23-5/16 x 1 MERV 8 ( MPR 600, FPR 5-6 ) 1" Air Filters for AC & Furnace. Case of 12. Exact Size: 21-1/2 x 23-5/16 x 3/4AllergensFilterbuy 21x23x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
FeaturesElectrostaticAerostar 21 1/2 x 23 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 PackElectrostaticAerostar 21 1/2 x 23 1/2 x 1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 PackElectrostaticAerostar 21 1/2 x 23 5/16 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 PackElectrostaticAerostar 21 1/2 x 23 1/2 x 1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 PackElectrostaticAerostar 21 1/2 x 23 3/8 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 PackElectrostaticPamlico Air 21-1/2 x 23-5/16 x 1 MERV 8 Pleated AC Furnace Air Filters. Quantity 6. (Actual Size: 21.5 x 23-5/16 x 0.75 Inches)ElectrostaticFilterbuy 21.5x23.25x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)Electrostatic21-1/2 x 23-5/16 x 1 MERV 8 ( MPR 600, FPR 5-6 ) 1" Air Filters for AC & Furnace. Case of 12. Exact Size: 21-1/2 x 23-5/16 x 3/4ElectrostaticFilterbuy 21x23x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
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Customer ratings & reviews

3.8 out of 5 stars
stars4 ratings2 reviews
How item rating is calculated
  1. 5 stars50% (2)
  2. 4 stars25% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star25% (1)
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Showing 1-2 of 2 reviews

Jul 14, 2023
Elsa
Sold byAerostar
5 out of 5 stars review

Verified Purchase

Excellent AC Filters

We've bought these before and they work well with our AC Unit.

Incentivized Review
Helpful?3VOAMM6BLSXD126418660
May 20, 2025
Enrique
Sold and shipped byAerostar
1 out of 5 stars review

Verified Purchase

Bought a box of Aerostar - Merv 8 filters, instead I received a box of generic, unbranded filters without even a Merv rating

Incentivized Review
Helpful?3VOAMM6BLSXD126418660