21 1/2 x 23 3/8 x 4

Dust & Pollen 21 1/2 x 23 3/8 x 4 MERV 8 / MPR 600 / FPR 5
21 1/2 x 23 3/8 x 4 MERV 8 Pleated Air Filter
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  • Nominal Size: 21 1/2 x 23 3/8 x 4
    Actual size: 21 1/2" x 23 3/8" x 3 3/4"
    Performance: Dust & Pollen
    Type: Pleated Air Filter
    Rating: MERV 8 | MPR 600 | FPR 5
    Captured Particle Size: 3-10 Microns
    Change Frequency: Every 60-90 Days
    SKU#: P80S.0421H23F
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $93.24 ($15.54 each)
  • SAVE 5% buying 12 or more
    Price (12 pack):

    $168.00 ($14.00 each)
Micro Allergen 21 1/2 x 23 3/8 x 4 MERV 11 / MPR 1000 / FPR 7
21 1/2 x 23 3/8 x 4 MERV 11 Pleated Air Filter
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  • Nominal Size: 21 1/2 x 23 3/8 x 4
    Actual size: 21 1/2" x 23 3/8" x 3 3/4"
    Performance: Micro Allergen
    Type: Pleated Air Filter
    Rating: MERV 11 | MPR 1000 | FPR 7
    Captured Particle Size: 1-3 Microns
    Change Frequency: Every 60-90 Days
    SKU#: P15S.0421H23F
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $122.64 ($20.44 each)
  • SAVE 5% buying 12 or more
    Price (12 pack):

    $220.80 ($18.40 each)
Ultimate Allergen 21 1/2 x 23 3/8 x 4 MERV 13 / MPR 1900 / FPR 10
21 1/2 x 23 3/8 x 4 MERV 13 Pleated Air Filter
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  • Nominal Size: 21 1/2 x 23 3/8 x 4
    Actual size: 21 1/2" x 23 3/8" x 3 3/4"
    Performance: Ultimate Allergen
    Type: Pleated Air Filter
    Rating: MERV 13 | MPR 1900 | FPR 10
    Captured Particle Size: 0.3-1.0 Microns
    Change Frequency: Every 60-90 Days
    SKU#: P25S.0421H23F
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $140.28 ($23.38 each)
  • SAVE 5% buying 12 or more
    Price (12 pack):

    $252.00 ($21.00 each)
PRODUCT
Details
MERV 8
MPR 600
FPR 5
MERV 11
MPR 1000
FPR 7
MERV 13
MPR 1900
FPR 10

21 1/2 x 23 3/8 x 4Air Filter

21 1/2" x 23 3/8" x 3 3/4" 21 1/2" x 23 3/8" x 3 3/4" 21 1/2" x 23 3/8" x 3 3/4"
SAVE 5%
buying a
12 Pack
or more
$168.00
$14.00 each
$220.80
$18.40 each
$252.00
$21.00 each
6 Pack Pricing
$93.24
$15.54 each
$122.64
$20.44 each
$140.28
$23.38 each
Change Frequency
Every 60-90 Days Every 60-90 Days Every 60-90 Days
Lint
Dust Mites
Mold Spores
Pollen
Pet Dander
Fine Dust
Auto Emissions
Very Fine Dust
Smoke
Bacteria

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