Search Results for '20 x 18'

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  14x18x1 AIRx HEALTH Air Filter - MERV 13, 12-Pack

  $20.49 / Filter

  in stock
• 

  12x18x1 AIRx ALLERGY Air Filter - MERV 11

  $14.49 / Filter

  in stock
• 

  18x18x1 AIRx HEALTH Air Filter - MERV 13

  $16.49 / Filter

  in stock
• 

  16x18x1 AIRx DUST Air Filter - MERV 8

  $10.49 / Filter

  in stock
• 

  18x25x1 AIRx HEALTH Air Filter - MERV 13

  $20.49 / Filter

  in stock
• 

  18x30x1 AIRx HEALTH Air Filter - MERV 13

  $20.49 / Filter

  in stock
• 

  18x25x1 AIRx ODOR Air Filter - CARBON

  $21.27 / Filter

  1 Week to Ship
• 

  Practical Pleat 18" X 24" X 5" Return Grille Filter

  $99.85 / Filter

  2-3 Weeks To Ship
• 

  12x18x1 AIRx HEALTH Air Filter - MERV 13

  $19.49 / Filter

  in stock
• 

  12x18x1 AIRx ODOR Air Filter - CARBON

  $18.49 / Filter

  in stock
• 

  18x36x1 AIRx HEALTH Air Filter - MERV 13

  $22.49 / Filter

  5-6 Weeks to Ship
• 

  16x18x1 AIRx ALLERGY Air Filter - MERV 11

  $12.49 / Filter

  in stock