Search Results for 'furnace filters 18 20 1'

• 

  21x22x1 AIRx ALLERGY Air Filter - MERV 11

  $18.49 / 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
• 

  16x22x1 AIRx ALLERGY Air Filter - MERV 11

  $13.49 / 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
• 

  14x30x1 AIRx ALLERGY Air Filter, 6-Pack

  $16.49 / Filter

  

  86 review(s)

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  Average rating 4.8/5

  5 stars

  (74)

  4 stars

  (9)

  3 stars

  (1)

  2 stars

  (1)

  1 star

  (1)

  in stock
• 

  28" X 30" X 2" MERV 11 Pleated Filter For Geothermal Systems

  $30.34 / Filter

  

  12 review(s)

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  Average rating 4.7/5

  5 stars

  (8)

  4 stars

  (4)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  In Stock
• 

  30" X 30" X 1" MERV 11 Pleated Filter For Geothermal Systems

  $24.13 / Filter

  In Stock
• 

  12x24x1 AIRx ALLERGY Air Filter, 6-Pack

  $11.49 / Filter

  

  68 review(s)

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  Average rating 4.6/5

  5 stars

  (57)

  4 stars

  (4)

  3 stars

  (2)

  2 stars

  (2)

  1 star

  (3)

  in stock
• 

  16.375x21.5x1 AIRx ALLERGY Air Filter, 6-Pack

  $17.49 / Filter

  

  103 review(s)

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  Average rating 4.8/5

  5 stars

  (89)

  4 stars

  (12)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  16x25x1 AIRx High Flow Air Filter

  $20.29 / 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
• 

  16x25x1 AIRx High Flow Air Filter, 12-Pack

  $11.29 / Filter

  

  9 review(s)

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  Average rating 5.0/5

  5 stars

  (9)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  14x25x1 AIRx High Flow Air Filter, 12-Pack

  $13.49 / Filter

  in stock
• 

  22x22x1 AIRx ALLERGY Air Filter - MERV 11

  $17.49 / Filter

  

  4 review(s)

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  Average rating 4.8/5

  5 stars

  (3)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  19x21x1 AIRx ALLERGY Air Filter - MERV 11

  $21.29 / Filter

  

  10 review(s)

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  Average rating 4.5/5

  5 stars

  (8)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  1 Week to Ship