20 Best 21 1/2×23 5/16×1 Air Filter [2024]

Are you looking for the best 21 1/2x23 5/16x1 Air Filter? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 21 1/2x23 5/16x1 Air Filter.

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1 Glasfloss 21-1/2 x 23-5/16 x 1 Air Filters (Case of 6), MERV 10, Pleated, Made in USA Glasfloss 21-1/2 x 23-5/16 x 1 Air Filters (Case of 6), MERV 10, Pleated, Made in USA
2 21 1/2 x 23 5/16 x 1 Carrier Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6 21 1/2 x 23 5/16 x 1 Carrier Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6
3 Aerostar 21 1/2x23 5/16x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 21... Aerostar 21 1/2x23 5/16x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size:...
4 Aerostar 21 1/2x23 1/2x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 21... Aerostar 21 1/2x23 1/2x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size:...
5 21-1/2 x 23-5/16 x 1 MERV 10 Pleated Air Filters by Glasfloss. Box of 6. Replacement filters for... 21-1/2 x 23-5/16 x 1 MERV 10 Pleated Air Filters by Glasfloss. Box of 6. Replacement filters for...
6 Aerostar 21 1/2x23 5/16x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 21... Aerostar 21 1/2x23 5/16x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size:...
7 21 1/2 x 23 5/16 x 1 Payne Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6 21 1/2 x 23 5/16 x 1 Payne Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6
8 21 1/2 x 23 3/8 x 1 AC and Furnace Air Filter by Aerostar - MERV 11, Box of 12 21 1/2 x 23 3/8 x 1 AC and Furnace Air Filter by Aerostar - MERV 11, Box of 12
9 Accumulair Diamond 21x23x1 (Actual Size) MERV 13 Air Filter/Furnace Filters (6 pack) Accumulair Diamond 21x23x1 (Actual Size) MERV 13 Air Filter/Furnace Filters (6 pack)
10 21-1/2 x 23-5/16 x 1 MERV 10 Pleated Air Filters by Glasfloss. 4 Pack. Replacement filters for... 21-1/2 x 23-5/16 x 1 MERV 10 Pleated Air Filters by Glasfloss. 4 Pack. Replacement filters for...
11 21 1/2 x 23 5/16 x 1 Bryant Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6 21 1/2 x 23 5/16 x 1 Bryant Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6
12 Glasfloss 21-1/2 x 23-5/16 x 1 Air Filters (Case of 4), MERV 10, Pleated, Made in USA Glasfloss 21-1/2 x 23-5/16 x 1 Air Filters (Case of 4), MERV 10, Pleated, Made in USA
13 Filterbuy 20x23x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver) Filterbuy 20x23x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver)
14 Filterbuy 21x23x1 Air Filter MERV 11, Pleated HVAC AC Furnace Filters (6-Pack, Gold) Filterbuy 21x23x1 Air Filter MERV 11, Pleated HVAC AC Furnace Filters (6-Pack, Gold)
15 Filterbuy 17.5x23.5x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver) Filterbuy 17.5x23.5x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
16 Bryant/Carrier/Payne Fan Coil Filter KFAFK0412XXL - 21 1/2 x 23 1/ 2 x 1 Bryant/Carrier/Payne Fan Coil Filter KFAFK0412XXL - 21 1/2 x 23 1/ 2 x 1
17 Flanders PrecisionAire 84857.01175235 17.5 by 23.5 by 1 NaturalAire with Baking Soda, 4-Pack Flanders PrecisionAire 84857.01175235 17.5 by 23.5 by 1 NaturalAire with Baking Soda, 4-Pack
18 21.5x23.25x1 (Actual Size) DuPont High Allergen Care Electrostatic Air Filter (2 Pack) 21.5x23.25x1 (Actual Size) DuPont High Allergen Care Electrostatic Air Filter (2 Pack)
19 Filterbuy 20x23x1 Air Filter MERV 8 (Allergen Odor Eliminator), Pleated HVAC AC Furnace Filters with... Filterbuy 20x23x1 Air Filter MERV 8 (Allergen Odor Eliminator), Pleated HVAC AC Furnace Filters...
20 Filterbuy 23.5x23.5x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver) Filterbuy 23.5x23.5x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
Bestseller No. 1
Glasfloss 21-1/2 x 23-5/16 x 1 Air Filters (Case of 6), MERV 10, Pleated, Made in USA
  • MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
  • Great For Allergy Sufferers
  • Expanded Metal Backing on Synthetic Media with Heavy Duty Frame That Resists Moisture.
  • Exact Size 21 1/2 x 23 5/16 x 7/8, 21.5 x 23.3125 x .875, Nominal Size 21 1/2 x 23 5/16 x 1
  • Fits listed models of Carrier, Bryant & Payne Air Handlers. See Description Below
Bestseller No. 2
21 1/2 x 23 5/16 x 1 Carrier Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6
  • Actual Size: 21 1/2 x 23 5/16 x 7/8 (21.5 x 23.3125 x .875) | Nominal Size: 21 1/2 x 23 5/16 x 1
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter.
  • Durable & Long Lasting: Heavy duty frame won't buckle or support growth.
  • Affordable high quality replacements for Carrier 21 1/2 x 23 5/16 x 1 air filters.
Bestseller No. 3
Aerostar 21 1/2x23 5/16x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 21...
  • Nominal Size: 21-1/2 x 23-5/16 x 1, Actual Size: 21-1/2"x23-5/16"x3/4"
  • Comparable to MPR 1500 to 1900 Ultimate Allergen Defense and Honeywell Allergen Elite FPR 10
  • Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, and bacteria.
  • 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...
  • 100% synthetic electrostatic media for high efficiency with low air flow resistance. Manufactured in the USA by Filtration Group, a world-leading...
Bestseller No. 4
Aerostar 21 1/2x23 1/2x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 21...
  • Nominal Size: 21 1/2 x 23 1/2 x 1, Actual Size: 21 1/2"x23 1/2"x3/4"
  • Comparable to MPR 1500 to 1900 Ultimate Allergen Defense and Honeywell Allergen Elite FPR 10
  • Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, and bacteria.
  • 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...
  • 100% synthetic electrostatic media for high efficiency with low air flow resistance. Manufactured in the USA by Filtration Group, a world-leading...
Bestseller No. 5
21-1/2 x 23-5/16 x 1 MERV 10 Pleated Air Filters by Glasfloss. Box of 6. Replacement filters for...
  • Exact Size: 21 1/2 x 23 5/16 x 7/8 (21.5 x 23.3125 x .875) | Nominal Size: 21 1/2 x 23 5/16 x 1 | Quantity 6
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or Honeywell FPR rating 5 to 6.
  • Economical high quality replacements for Carrier, Payne, or Bryant 21 1/2 x 23 5/16 x 1 air filters.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter.
  • Durable & Long Lasting: Heavy duty frame won't buckle.
Bestseller No. 6
Aerostar 21 1/2x23 5/16x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 21...
  • Nominal: 21-1/2 x 23-5/16 x 1, Size: 21-1/2"x23-5/16"x3/4" 21 1/2x23 5/16x1, AC Furnace Air Filter
  • 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, 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...
  • 100% synthetic electrostatic media for high efficiency with low air flow resistance
Bestseller No. 7
21 1/2 x 23 5/16 x 1 Payne Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6
  • Actual Size: 21 1/2 x 23 5/16 x 7/8 (21.5 x 23.3125 x .875) | Nominal Size: 21 1/2 x 23 5/16 x 1
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
  • For optimal performance, recommended to change at least every 3 months.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle.
  • Affordable high quality replacements for Payne 21 1/2 x 23 5/16 x 1 air filters.
Bestseller No. 8
21 1/2 x 23 3/8 x 1 AC and Furnace Air Filter by Aerostar - MERV 11, Box of 12
  • Nominal Size: 21 1/2 x 23 3/8 x 1, Actual Size: 21 1/2" x 23 3/8" x 3/4", 21 1/2x23 3/8x1, AC and Furnace Air Filter
  • Comparable to MPR 1000 to 1200 Micro Allergen Defense
  • Comparable to Honeywell Allergen Plus FPR 7
  • Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, dust, and smoke.
  • Change frequency 60-90 days, Made in the USA.
Bestseller No. 9
Accumulair Diamond 21x23x1 (Actual Size) MERV 13 Air Filter/Furnace Filters (6 pack)
  • 21x23x1 (Actual Size) MERV 13 - Tested and rated according to ASHRAE Standard 52.2
  • Tribo-Electric synthetic media provides high filtration efficiency, low air resistance, and is hydrophobic (does not absorb moisture)
  • Enhances indoor air quality for up to 3 months
  • Captures up to 98% or more of airborne contaminants such as dust, lint, dust mite debris, cement dust, lead dust, standing dust, insecticide dust,...
  • Typically ideal for homes with pets, restaurants, hospital/healthcare offices, superior commercial buildings, superior residential buildings, and...
Bestseller No. 10
21-1/2 x 23-5/16 x 1 MERV 10 Pleated Air Filters by Glasfloss. 4 Pack. Replacement filters for...
  • Exact Size: 21 1/2 x 23 5/16 x 7/8 (21.5 x 23.3125 x .875) | Nominal Size: 21 1/2 x 23 5/16 x 1 | 4 Pack
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle.
  • Economical high quality replacements for Carrier, Payne, or Bryant 21 1/2 x 23 5/16 x 1 air filters.
  • For optimal performance, recommended to change at least every 3 months.
Bestseller No. 11
21 1/2 x 23 5/16 x 1 Bryant Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6
  • Actual Size: 21 1/2 x 23 5/16 x 7/8 (21.5 x 23.3125 x .875) | Nominal Size: 21 1/2 x 23 5/16 x 1
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or Honeywell FPR rating 5 to 6.
  • For optimal performance, recommended to change at least every 3 months.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle.
  • Affordable high quality replacements for Bryant 21 1/2 x 23 5/16 x 1 air filters.
Bestseller No. 12
Glasfloss 21-1/2 x 23-5/16 x 1 Air Filters (Case of 4), MERV 10, Pleated, Made in USA
  • MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
  • Great For Allergy Sufferers
  • Expanded Metal Backing on Synthetic Media with Heavy Duty Frame That Resists Moisture.
  • Exact Size 21 1/2 x 23 5/16 x 7/8, 21.5 x 23.3125 x .875, Nominal Size 21 1/2 x 23 5/16 x 1”
  • Fits listed models of Carrier, Bryant & Payne Air Handlers, See Description Below
Bestseller No. 13
Filterbuy 20x23x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver)
  • 20x23x1 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 19.50 x 22.50 x 0.75 inches)
  • MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without...
  • High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products...
  • Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
  • All components are manufactured within the United States and designed with recyclable materials
Bestseller No. 14
Filterbuy 21x23x1 Air Filter MERV 11, Pleated HVAC AC Furnace Filters (6-Pack, Gold)
  • 21x23x1 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 21.00 x 23.00 x 1.00 inches)
  • MERV 11 synthetic media (comparable with MPR 1000-1200 & FPR 7) protects homes from pets or allergies by trapping 95% of airborne particles without...
  • High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products...
  • Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
  • All components are manufactured within the United States and designed with recyclable materials
Bestseller No. 15
Filterbuy 17.5x23.5x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
  • 17.5x23.5x1 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 17.38 x 23.38 x 1.00 inches)
  • MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without...
  • High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products...
  • Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
  • All components are manufactured within the United States and designed with recyclable materials
Bestseller No. 16
Bryant/Carrier/Payne Fan Coil Filter KFAFK0412XXL - 21 1/2 x 23 1/ 2 x 1
  • Pack of 2
  • Actual Size: 21-1/2 x 23-1/2 x 7/8
  • Metal Frame
Bestseller No. 17
Flanders PrecisionAire 84857.01175235 17.5 by 23.5 by 1 NaturalAire with Baking Soda, 4-Pack
  • Experience the clean air difference.
  • Pack of 4 air filters designed with baking soda media to control, absorb, and eliminate offensive odors
  • MERV 8 rating: Removes household dust, pollen, dirt, mold spores and more
  • V-pleats provide large media surface area for more effective filtration while keeping airflow resistance low
  • Each filter maintains efficiency for up to 90 days
Bestseller No. 18
21.5x23.25x1 (Actual Size) DuPont High Allergen Care Electrostatic Air Filter (2 Pack)
  • Size of Filter is 21.5 x 23.25 x 0.75
  • MERV 11 Rated. Up to 30 times more efficient at reducing allergens than ordinary fiberglass filters.
  • Reduces: pollen, dust, lint, mold spores, smoke, pet dander, odors and ragweed.
  • Each filter lasts up to 90 days.
  • Made in the USA!
Bestseller No. 19
Filterbuy 20x23x1 Air Filter MERV 8 (Allergen Odor Eliminator), Pleated HVAC AC Furnace Filters with...
  • 20x23x1 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 19.50 x 22.50 x 0.75 inches)
  • MERV 8 (Odor Eliminator) synthetic media (comparable with MPR 600 & FPR 5) protects homes from adverse smells while trapping 90% of airborne particles...
  • High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products...
  • Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
  • All components are manufactured within the United States and designed with recyclable materials
Bestseller No. 20
Filterbuy 23.5x23.5x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
  • 23.5x23.5x1 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 23.38 x 23.38 x 1.00 inches)
  • MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without...
  • High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products...
  • Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
  • All components are manufactured within the United States and designed with recyclable materials

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  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 21 1/2x23 5/16x1 Air Filter.
  5. Customer Ratings: Number ratings grade 21 1/2x23 5/16x1 Air Filter objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 21 1/2x23 5/16x1 Air Filter.
  7. Product Quality: You don’t always get what you pay for with an 21 1/2x23 5/16x1 Air Filter, sometimes less, and sometimes more.
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