Shop today to get FREE SHIPPING on your order! (some restrictions apply)

21 1/2 x 23 5/16 x 4

Ultimate Allergen 21 1/2 x 23 5/16 x 4 MERV 13 / MPR 1900 / FPR 10
21 1/2 x 23 5/16 x 4 MERV 13 Pleated Air Filter
Click to view more details
  • Nominal Size: 21 1/2 x 23 5/16 x 4
    Actual size: 21 1/2" x 23 5/16" 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.0421H23E
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $107.10 ($17.85 each)
  • SAVE 10% buying 12 or more
    Price (12 pack):

    $192.84 ($16.07 each)
  • Subscribe to this product: Subscribe
Micro Allergen 21 1/2 x 23 5/16 x 4 MERV 11 / MPR 1000 / FPR 7
21 1/2 x 23 5/16 x 4 MERV 11 Pleated Air Filter
Click to view more details
  • Nominal Size: 21 1/2 x 23 5/16 x 4
    Actual size: 21 1/2" x 23 5/16" 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.0421H23E
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $94.50 ($15.75 each)
  • SAVE 10% buying 12 or more
    Price (12 pack):

    $170.16 ($14.18 each)
  • Subscribe to this product: Subscribe
Dust & Pollen 21 1/2 x 23 5/16 x 4 MERV 8 / MPR 600 / FPR 5
21 1/2 x 23 5/16 x 4 MERV 8 Pleated Air Filter
Click to view more details
  • Nominal Size: 21 1/2 x 23 5/16 x 4
    Actual size: 21 1/2" x 23 5/16" 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.0421H23E
    Lead Time: Ships in 5 Business Days
    Additional Info: View product page


  • Price (6 pack):
    $85.08 ($14.18 each)
  • SAVE 10% buying 12 or more
    Price (12 pack):

    $153.12 ($12.76 each)
  • Subscribe to this product: Subscribe
PRODUCT
Details
MERV 13
MPR 1900
FPR 10
MERV 11
MPR 1000
FPR 7
MERV 8
MPR 600
FPR 5
21 1/2 x 23 5/16 x 4Air Filter
SAVE 10%
buying a
12 Pack
or more
$192.84
$16.07 each
$170.16
$14.18 each
$153.12
$12.76 each
6 Pack Pricing
$107.10
$17.85 each
$94.50
$15.75 each
$85.08
$14.18 each
21 1/2" x 23 5/16" x 3 3/4" 21 1/2" x 23 5/16" x 3 3/4" 21 1/2" x 23 5/16" x 3 3/4"
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

Back to top