Search Results for '20 x 20 electrostatic furnace filter'

• 

  24x24x4 AIRx HEALTH Air Filter - MERV 13

  $31.78 / Filter

  

  8 review(s)

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  Average rating 5.0/5

  5 stars

  (8)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
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  18x25x1 AIRx ALLERGY Air Filter - MERV 11

  $13.49 / Filter

  

  2 review(s)

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  Average rating 4.5/5

  5 stars

  (1)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

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  1 star

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  18x24x4 AIRx HEALTH Air Filter - MERV 13

  $28.31 / Filter

  

  2 review(s)

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  Average rating 5.0/5

  5 stars

  (2)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x30x1 AIRx ALLERGY Air Filter, 6-Pack

  $15.49 / Filter

  

  34 review(s)

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  Average rating 4.6/5

  5 stars

  (24)

  4 stars

  (8)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  12x24x4 AIRx ALLERGY Air Filter - MERV 11

  $14.51 / Filter

  

  1 review(s)

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  Average rating 4.0/5

  5 stars

  (0)

  4 stars

  (1)

  3 stars

  (0)

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  (0)

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• 

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

  $56.95 / Filter

  

  7 review(s)

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  Average rating 4.7/5

  5 stars

  (5)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  13x21.5x1 AIRx ALLERGY Air Filter, 6-Pack

  $14.49 / Filter

  

  43 review(s)

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  Average rating 4.7/5

  5 stars

  (33)

  4 stars

  (9)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  24" X 24" X 1" Lifetime Permanent Washable Filter

  $56.95 / Filter

  

  9 review(s)

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  Average rating 4.3/5

  5 stars

  (6)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  18x24x1 AIRx ALLERGY Air Filter, 12-Pack

  $12.49 / Filter

  

  21 review(s)

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  Average rating 4.6/5

  5 stars

  (18)

  4 stars

  (0)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  18x24x4 AIRx ALLERGY Air Filter - MERV 11

  $18.64 / Filter

  

  5 review(s)

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  Average rating 4.8/5

  5 stars

  (4)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  14" X 25" X 1" Lifetime Permanent Washable Filter

  $56.95 / Filter

  

  12 review(s)

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  Average rating 4.5/5

  5 stars

  (9)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  12x36x1 AIRx DUST Air Filter, 6-Pack

  $15.49 / Filter

  

  7 review(s)

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  Average rating 4.9/5

  5 stars

  (6)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock