13 x 21 1/2 x 1 13 x 21 1/2 x 1 Size 13 x 21 1/2 x 1 air filters are displayed on this page. Actual size for these air filters is 12 7/8" x 21 1/2" x 0.8". For custom air filter sizes, please use our custom air filter creator.
Location

13 x 21 1/2 x 1

13 x 21 1/2 x 1

Size 13 x 21 1/2 x 1 air filters are displayed on this page. Actual size for these air filters is 12 7/8" x 21 1/2" x 0.8". For custom air filter sizes, please use our custom air filter creator.

 
Filtrete HVAC Fiberglass
$42.01 (Pack of 6 / $7.00 Each)
Filtrete HVAC Pleated
$45.67 (Pack of 6 / $7.61 Each)
Filtrete HVAC Pleated
$53.51 (Pack of 6 / $8.92 Each)
Filtrete HVAC Pleated
$66.90 (Pack of 6 / $11.15 Each)
Pack Size 6 6 6 6
Lowes Model # 3MHBR06.011321H 3MHBR08.011321H 3MHBR11.011321H 3MHBR13.011321H
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 - - - -

13 x 21 1/2 x 1

Filtrete HVAC Fiberglass
$42.01 (Pack of 6 / $7.00 Each)
Pack Size
6
Lowes Model #
3MHBR06.011321H
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
$45.67 (Pack of 6 / $7.61 Each)
Pack Size
6
Lowes Model #
3MHBR08.011321H
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
$53.51 (Pack of 6 / $8.92 Each)
Pack Size
6
Lowes Model #
3MHBR11.011321H
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
$66.90 (Pack of 6 / $11.15 Each)
Pack Size
6
Lowes Model #
3MHBR13.011321H
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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