20 x 21 x 1 20 x 21 x 1 Size 20 x 21 x 1 air filters are displayed on this page. Actual size for these air filters is 19 7/8" x 20 7/8" x 0.8". For custom air filter sizes, please use our custom air filter creator.
Location

20 x 21 x 1

20 x 21 x 1

Size 20 x 21 x 1 air filters are displayed on this page. Actual size for these air filters is 19 7/8" x 20 7/8" x 0.8". For custom air filter sizes, please use our custom air filter creator.

 
Filtrete HVAC Fiberglass
$50.40 (Pack of 6 / $8.40 Each)
Filtrete HVAC Pleated
$54.79 (Pack of 6 / $9.13 Each)
Filtrete HVAC Pleated
$64.21 (Pack of 6 / $10.70 Each)
Filtrete HVAC Pleated
$80.26 (Pack of 6 / $13.38 Each)
Pack Size 6 6 6 6
Lowes Model # 3MHBR06.012021 3MHBR08.012021 3MHBR11.012021 3MHBR13.012021
MPR Rating MERV 6 MERV 8 MERV 11 MERV 13
Change Frequency 30 Days 90 Days 90 Days 90 Days
Equipment Protection
Household Dust
Lint -
Pollen -
Mold Spores -
Dust Mites -
Pet Dander - -
Smoke Particles - -
Smog Particles - -
Bacteria - - -
Virus Particles - - -
Odor Particles - - - -

20 x 21 x 1

Filtrete HVAC Fiberglass
$50.40 (Pack of 6 / $8.40 Each)
Pack Size
6
Lowes Model #
3MHBR06.012021
MPR Rating
MERV 6
Change Frequency
30 Days
Equipment Protection
Household Dust
Lint
-
Pollen
-
Mold Spores
-
Dust Mites
-
Pet Dander
-
Smoke Particles
-
Smog Particles
-
Bacteria
-
Virus Particles
-
Odor Particles
-
Filtrete HVAC Pleated
$54.79 (Pack of 6 / $9.13 Each)
Pack Size
6
Lowes Model #
3MHBR08.012021
MPR Rating
MERV 8
Change Frequency
90 Days
Equipment Protection
Household Dust
Lint
Pollen
Mold Spores
Dust Mites
Pet Dander
-
Smoke Particles
-
Smog Particles
-
Bacteria
-
Virus Particles
-
Odor Particles
-
Filtrete HVAC Pleated
$64.21 (Pack of 6 / $10.70 Each)
Pack Size
6
Lowes Model #
3MHBR11.012021
MPR Rating
MERV 11
Change Frequency
90 Days
Equipment Protection
Household Dust
Lint
Pollen
Mold Spores
Dust Mites
Pet Dander
Smoke Particles
Smog Particles
Bacteria
-
Virus Particles
-
Odor Particles
-
Filtrete HVAC Pleated
$80.26 (Pack of 6 / $13.38 Each)
Pack Size
6
Lowes Model #
3MHBR13.012021
MPR Rating
MERV 13
Change Frequency
90 Days
Equipment Protection
Household Dust
Lint
Pollen
Mold Spores
Dust Mites
Pet Dander
Smoke Particles
Smog Particles
Bacteria
Virus Particles
Odor Particles
-
Filtrete Home Filtration Products Brought to you by Lowes
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