Search Results for '18 x 20 x 1 furnace air filter'

• 

  18x20x1 AIRx ALLERGY Air Filter, 6-Pack

  $13.49 / Filter

  

  46 review(s)

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  Average rating 4.8/5

  5 stars

  (39)

  4 stars

  (4)

  3 stars

  (2)

  2 stars

  (1)

  1 star

  (0)

  in stock
• 

  18x20x1 AIRx ALLERGY Air Filter, 12-Pack

  $12.49 / Filter

  

  10 review(s)

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  Average rating 4.8/5

  5 stars

  (9)

  4 stars

  (0)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x20x1 AIRx Air Flow Pleated Air Filter

  $18.49 / Filter

  

  4 review(s)

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  Average rating 4.5/5

  5 stars

  (3)

  4 stars

  (0)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x20x1 AIRx DUST Air Filter, 6-Pack

  $10.49 / Filter

  

  92 review(s)

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  Average rating 4.8/5

  5 stars

  (73)

  4 stars

  (18)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  18x20x1 AIRx DUST Air Filter, 12-Pack

  $9.49 / Filter

  

  26 review(s)

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  Average rating 4.7/5

  5 stars

  (22)

  4 stars

  (1)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  18x20x1 AIRx ODOR Air Filter - Carbon MERV 8

  $14.49 / 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
• 

  18x20x1 AIRx HEALTH Air Filter, 12-Pack

  $14.49 / Filter

  

  3 review(s)

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  Average rating 5.0/5

  5 stars

  (3)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x20x1 AIRx HEALTH Air Filter, 6-Pack

  $15.49 / Filter

  

  17 review(s)

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  Average rating 4.5/5

  5 stars

  (12)

  4 stars

  (3)

  3 stars

  (1)

  2 stars

  (1)

  1 star

  (0)

  in stock
• 

  18x20x1 AIRx High Flow Air Filter, 12-Pack

  $14.49 / Filter

  in stock
• 

  18x20x1 AIRx High Flow Air Filter, 6-Pack

  $15.49 / 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
• 

  18x20x1 AIRx High Flow Air Filter

  $23.49 / 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
• 

  18x20x1 AIRx ALLERGY Air Filter, 4-Pack

  $16.49 / Filter

  

  6 review(s)

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  Average rating 5.0/5

  5 stars

  (6)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock