Search Results for '18x20 filters'

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  18x20x4 AIRx ALLERGY Air Filter - MERV 11

  $25.21 / Filter

  in stock
• 

  18x20x2 AIRx ALLERGY Air Filter - MERV 11

  $20.49 / Filter

  in stock
• 

  Fiberglass 18" X 20" X 1" Panel Filter - Equipment Protection

  $5.12 / Filter

  

  12 review(s)

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  Average rating 4.8/5

  5 stars

  (10)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x20x3 MERV 13 Return Air Grille Filter, 2-Pack

  $50.23 / Filter

  2-3 Weeks to Ship
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  18x20x3 MERV 11 Return Air Grille Filter, 2-Pack

  $43.77 / Filter

  2-3 Weeks to Ship
• 

  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

  5 stars

  (5)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

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

  $55.48 / Filter

  in stock