Search Results for '13 x 18 frame'

• 

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

  $55.48 / Filter

  in stock
• 

  Lennox X8313 Expandable MERV 16 Replacement Filter - 20x25x5

  $166.59 / Filter

  

  1 review(s)

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  Average rating 5.0/5

  5 stars

  (1)

  4 stars

  (0)

  3 stars

  (0)

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  (0)

  1 star

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  In Stock
• 

  14x20x3 MERV 13 Return Air Grille Filter, 2-Pack

  $46.62 / Filter

  

  1 review(s)

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  Average rating 1.0/5

  5 stars

  (0)

  4 stars

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  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  2-3 Weeks to Ship
• 

  16x20x3 MERV 13 Return Grille Filter, 2-Pack

  $50.23 / 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)

  2-3 Weeks to Ship
• 

  18x24x4 AIRx HEALTH Air Filter - MERV 13

  $28.31 / 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
• 

  18" X 32" X 2" MERV 11 Pleated Filter For Geothermal Systems

  $22.27 / 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)

  6-8 Weeks To Ship
• 

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

  $55.48 / Filter

  in stock
• 

  18" X 32" X 2" MERV 13 Pleated Filter For Geothermal Systems

  $25.71 / Filter

  6-8 Weeks To Ship
• 

  20x24x3 MERV 13 Return Air Grille Filter, 2-Pack

  $50.23 / 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)

  2-3 Weeks to Ship
• 

  18x24x3 MERV 11 Return Air Grille Filter, 2-Pack

  $43.77 / Filter

  2-3 Weeks to Ship
• 

  18x24x4 AIRx ALLERGY Air Filter - MERV 11

  $18.64 / Filter

  

  5 review(s)

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  Average rating 4.8/5

  5 stars

  (4)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x24x4 AIRx DUST Air Filter - MERV 8

  $16.53 / 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