Search Results for '18 x 18 x '

• 

  18x24x1 AIRx DUST Air Filter, 12-Pack

  $8.49 / Filter

  

  41 review(s)

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  Average rating 4.8/5

  5 stars

  (35)

  4 stars

  (5)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

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

  $56.95 / Filter

  

  7 review(s)

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  Average rating 4.3/5

  5 stars

  (4)

  4 stars

  (1)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x24x1 AIRx HEALTH Air Filter, 12-Pack

  $20.49 / Filter

  in stock
• 

  18x18x2 AIRx DUST Air Filter - MERV 8

  $10.33 / Filter

  in stock
• 

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

  $14.97 / Filter

  In Stock
• 

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

  $55.48 / Filter

  in stock
• 

  18x18x2 AIRx ALLERGY Air Filter - MERV 11

  $18.49 / Filter

  in stock
• 

  18x18x2 AIRx HEALTH Air Filter - MERV 13

  $25.77 / Filter

  1 Week to Ship
• 

  18x18x2 AIRx HEALTH Air Filter - MERV 13

  $22.74 / Filter

  1 Week to Ship
• 

  Practical Pleat 18" X 18" X 2" Return Grille Filter

  $42.92 / Filter

  2-3 Weeks to Ship
• 

  18x25x1 AIRx DUST Air Filter - MERV 8

  $9.49 / 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
• 

  18x30x1 AIRx ALLERGY Air Filter, 12-Pack

  $14.49 / 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