21x21x4

Dust & Pollen 21x21x4 MERV 8 / MPR 600 / FPR 5
21 x 21 x 4 MERV 8 Pleated Air Filter
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  • Nominal Size: 21x21x4
    Actual size: 20 7/8" x 20 7/8" 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.042121
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $98.64 ($16.44 each)
  • SAVE 10% buying 12 or more
    Price (12 pack):

    $177.60 ($14.80 each)
  • Subscribe to this product: Subscribe
Micro Allergen 21x21x4 MERV 11 / MPR 1000 / FPR 7
21 x 21 x 4 MERV 11 Pleated Air Filter
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  • Nominal Size: 21x21x4
    Actual size: 20 7/8" x 20 7/8" 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.042121
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $119.22 ($19.87 each)
  • SAVE 10% buying 12 or more
    Price (12 pack):

    $214.56 ($17.88 each)
  • Subscribe to this product: Subscribe
Ultimate Allergen 21x21x4 MERV 13 / MPR 1900 / FPR 10
21 x 21 x 4 MERV 13 Pleated Air Filter
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  • Nominal Size: 21x21x4
    Actual size: 20 7/8" x 20 7/8" 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.042121
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $128.04 ($21.34 each)
  • SAVE 10% buying 12 or more
    Price (12 pack):

    $230.52 ($19.21 each)
  • Subscribe to this product: Subscribe
PRODUCT
Details
MERV 8
MPR 600
FPR 5
MERV 11
MPR 1000
FPR 7
MERV 13
MPR 1900
FPR 10

21x21x4Air Filter

20 7/8" x 20 7/8" x 3 3/4" 20 7/8" x 20 7/8" x 3 3/4" 20 7/8" x 20 7/8" x 3 3/4"
SAVE 10%
buying a
12 Pack
or more
$177.60
$14.80 each
$214.56
$17.88 each
$230.52
$19.21 each
6 Pack Pricing
$98.64
$16.44 each
$119.22
$19.87 each
$128.04
$21.34 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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