Search Results for '20x 18 furnace filters'

• 

  20x20x1 AIRx High Flow Air Filter, 12-Pack

  $13.49 / Filter

  

  8 review(s)

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  Average rating 4.9/5

  5 stars

  (7)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  16x20x2 AIRx ALLERGY Air Filter - MERV 11

  $13.49 / Filter

  

  21 review(s)

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  Average rating 4.8/5

  5 stars

  (18)

  4 stars

  (1)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  20x25x1 AIRx High Flow Air Filter, 12-Pack

  $12.29 / Filter

  

  16 review(s)

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  Average rating 5.0/5

  5 stars

  (16)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  Dynamic Equivalent Air Cleaner Refills - 18" x 20" x 1" - 3 Pack

  $21.36 / Refill Pad

  1 Week to Ship
• 

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

  $56.95 / Filter

  

  8 review(s)

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  Average rating 4.3/5

  5 stars

  (5)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  18" X 20" X 2" MERV 11 Pleated Filter For Geothermal Systems

  $20.58 / Filter

  1 Week to Ship
• 

  20x20x1 AIRx High Flow Air Filter

  $22.49 / 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
• 

  16x20x1 AIRx High Flow Air Filter

  $22.49 / Filter

  in stock
• 

  14x20x1 AIRx High Flow Air Filter, 12-Pack

  $11.29 / 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
• 

  16x20x1 AIRx High Flow Air Filter, 12-Pack

  $13.49 / Filter

  

  4 review(s)

  ◆

   

  Average rating 5.0/5

  5 stars

  (4)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  20x20x1 AIRx High Flow Air Filter, 6-Pack

  $14.49 / Filter

  

  5 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (4)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  14x20x1 AIRx High Flow Air Filter, 6-Pack

  $12.29 / Filter

  in stock