Search Results for '21-12 x 20 x 1'

• 

  12x20x1 AIRx DUST Air Filter - MERV 8

  $10.49 / Filter

  

  73 review(s)

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  Average rating 4.7/5

  5 stars

  (60)

  4 stars

  (9)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (3)

  in stock
• 

  12x20x1 AIRx ALLERGY Air Filter - MERV 11

  $11.49 / Filter

  

  29 review(s)

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  Average rating 4.4/5

  5 stars

  (23)

  4 stars

  (2)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (3)

  in stock
• 

  12x20x1 AIRx HEALTH Air Filter - MERV 13

  $18.49 / Filter

  

  15 review(s)

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  Average rating 4.1/5

  5 stars

  (9)

  4 stars

  (3)

  3 stars

  (0)

  2 stars

  (1)

  1 star

  (2)

  in stock
• 

  12x20x1 AIRx HEALTH Air Filter - MERV 13

  $17.49 / Filter

  

  1 review(s)

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  Average rating 5.0/5

  5 stars

  (1)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  12x20x1 AIRx ALLERGY Air Filter - MERV 11

  $10.49 / Filter

  

  12 review(s)

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  Average rating 4.8/5

  5 stars

  (10)

  4 stars

  (1)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  12x20x1 AIRx DUST Air Filter - MERV 8

  $9.49 / Filter

  

  12 review(s)

  ◆

   

  Average rating 4.5/5

  5 stars

  (10)

  4 stars

  (0)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  12x20x1 AIRx ODOR Air Filter - Carbon

  $19.49 / Filter

  

  2 review(s)

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  Average rating 4.5/5

  5 stars

  (1)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  12x20x1 AIRx ODOR Air Filter - Carbon

  $18.49 / Filter

  in stock
• 

  Fiberglass 12" X 20" X 1" Panel Filter - Equipment Protection

  $3.65 / Filter

  

  27 review(s)

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  Average rating 4.8/5

  5 stars

  (24)

  4 stars

  (1)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  12" X 20" X 1" Lifetime Permanent Washable Filter

  $56.95 / Filter

  

  6 review(s)

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  Average rating 4.8/5

  5 stars

  (5)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  12" X 20" X 1" Lifetime Permanent Washable Filter, 2-Pack

  $55.48 / Filter

  in stock