Search Results for 'furnace air filter 18x20'

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  18x20x2 AIRx HEALTH Air Filter - MERV 13

  $21.04 / Filter

  in stock
• 

  18x20x2 AIRx HEALTH Air Filter - MERV 13

  $18.56 / Filter

  in stock
• 

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

  $20.58 / Filter

  1 Week to Ship
• 

  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

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  in stock
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  18" X 20" X 1" Lifetime Permanent Washable Filter, 2-Pack

  $55.48 / Filter

  in stock