What size options are available within 21x23 Air Filters?

The Home Depot provides a variety of air filter size options to fit your needs. Within 21x23 Air Filters, sizes range from 23 1/8x19 3/8 to (custom size).

21x23 - Air Filters - The Home Depot

21 in. x 23 in. x 1 in. Premium Pleated Air Filter FPR 10, MERV 12

+more available options

HDX21 in. x 23 in. x 1 in. Premium Pleated Air Filter FPR 10, MERV 12

(4.6 / 12212)

Model# HDX1P10-012123

$2431

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Model# AFB21x23x1M11Apk2

$4084

($20.42 /filter)

Filterbuy21 in. x 23 in. x 1 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Model# AFB21x23x1M8Apk2

$3498

($17.49 /filter)

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (5-Pack)

Model# AFB21x23x1M11Apk5

$8725

($17.45 /filter)

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (4-Pack)

Model# AFB21x23x1M11Apk4

$7344

($18.36 /filter)

+more available options

Filterbuy21 in. x 23 in. x 1 in. MERV 13 (FPR 10) Health Defense Pleated HVAC AC Furnace Air Filters Replacement (3-Pack)

Model# AFB21x23x1M13Apk3

$7356

($24.52 /filter)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Model# AFB21x23x4M8Apk6

$13470

($22.45 /filter)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (5-Pack)

Model# AFB21x23x4M8Apk5

$11895

($23.79 /filter)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (4-Pack)

Model# AFB21x23x4M8Apk4

$9856

($24.64 /filter)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (3-Pack)

Model# AFB21x23x4M8Apk3

$7602

($25.34 /filter)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Model# AFB21x23x4M8Apk2

$5348

($26.74 /filter)

Filterbuy21 in. x 23 in. x 4 in. MERV 13 (FPR 10) Health Defense Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Model# AFB21x23x4M13Apk6

$19836

($33.06 /filter)

21X23 AIR FILTERS

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Category

Heating, Venting & Cooling

Air Filters

Review Rating

1 & Up

2 & Up

3 & Up

4 & Up

Brand

Price

Air Filter Depth (in.)

Air Filter Size

MERV Rating (Minimum Efficiency Reporting Value)

Air Filter Features

Contaminants Captured

Filter Performance Rating (FPR)

Pack Size

HDX21 in. x 23 in. x 1 in. Premium Pleated Air Filter FPR 10, MERV 12

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Filterbuy21 in. x 23 in. x 1 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (5-Pack)

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (4-Pack)

Filterbuy21 in. x 23 in. x 1 in. MERV 13 (FPR 10) Health Defense Pleated HVAC AC Furnace Air Filters Replacement (3-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (5-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (4-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (3-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 13 (FPR 10) Health Defense Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

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21X23 AIR FILTERS

Get It Fast

Category

Review Rating

1 & Up

2 & Up

3 & Up

4 & Up

Brand

Price

Air Filter Depth (in.)

Air Filter Size

MERV Rating (Minimum Efficiency Reporting Value)

Air Filter Features

Contaminants Captured

Filter Performance Rating (FPR)

Pack Size

HDX21 in.​ x 23 in.​ x 1 in.​ Premium Pleated Air Filter FPR 10, MERV 12

Filterbuy21 in.​ x 23 in.​ x 1 in.​ MERV 11 (FPR 7)​ Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (2-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 1 in.​ MERV 8 (FPR 5)​ Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (2-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 1 in.​ MERV 11 (FPR 7)​ Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (5-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 1 in.​ MERV 11 (FPR 7)​ Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (4-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 1 in.​ MERV 13 (FPR 10)​ Health Defense Pleated HVAC AC Furnace Air Filters Replacement (3-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 4 in.​ MERV 8 (FPR 5)​ Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (6-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 4 in.​ MERV 8 (FPR 5)​ Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (5-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 4 in.​ MERV 8 (FPR 5)​ Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (4-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 4 in.​ MERV 8 (FPR 5)​ Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (3-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 4 in.​ MERV 8 (FPR 5)​ Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (2-​Pack)​

Filterbuy21 in.​ x 23 in.​ x 4 in.​ MERV 13 (FPR 10)​ Health Defense Pleated HVAC AC Furnace Air Filters Replacement (6-​Pack)​

Support

Resources

About Us

Our Other Sites

HDX21 in. x 23 in. x 1 in. Premium Pleated Air Filter FPR 10, MERV 12

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Filterbuy21 in. x 23 in. x 1 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (5-Pack)

Filterbuy21 in. x 23 in. x 1 in. MERV 11 (FPR 7) Allergen Defense Pleated HVAC AC Furnace Air Filters Replacement (4-Pack)

Filterbuy21 in. x 23 in. x 1 in. MERV 13 (FPR 10) Health Defense Pleated HVAC AC Furnace Air Filters Replacement (3-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (5-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (4-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (3-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 8 (FPR 5) Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (2-Pack)

Filterbuy21 in. x 23 in. x 4 in. MERV 13 (FPR 10) Health Defense Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)