Search Results for '18 by 18 frame'

• 

  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
• 

  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
• 

  Dynamic Air Cleaner Refills - 18" x 25" x 1" - 3 Pack

  $22.95 / Refill Pad

  In Stock
• 

  18x20x4 AIRx DUST Air Filter - MERV 8

  $23.61 / Filter

  5-7 Days to Ship
• 

  18x24x4 AIRx ODOR Air Filter - CARBON

  $29.21 / Filter

  in stock
• 

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

  $21.36 / Refill Pad

  1 Week to Ship
• 

  18x20x4 AIRx ALLERGY Air Filter - MERV 11

  $25.21 / Filter

  in stock
• 

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

  $50.23 / Filter

  2-3 Weeks to Ship
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  18x25x3 MERV 11 Return Air Grille Filter, 2-Pack

  $43.77 / Filter

  2-3 Weeks to Ship
• 

  18x20x3 MERV 11 Return Air Grille Filter, 2-Pack

  $43.77 / Filter

  2-3 Weeks to Ship
• 

  18x25x3 MERV 13 Return Air Grille Filter, 2-Pack

  $50.23 / Filter

  2-3 Weeks to Ship