Search Results for '18 in by 18 in'

• 

  18x18x2 AIRx HEALTH Air Filter - MERV 13

  $25.77 / Filter

  1 Week to Ship
• 

  18x20x2 AIRx HEALTH Air Filter - MERV 13

  $18.56 / Filter

  in stock
• 

  18x24x1 AIRx DUST Air Filter, 6-Pack

  $9.49 / Filter

  

  76 review(s)

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  Average rating 4.9/5

  5 stars

  (69)

  4 stars

  (5)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  18x20x1 AIRx ALLERGY Air Filter, 6-Pack

  $13.49 / Filter

  

  46 review(s)

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  Average rating 4.8/5

  5 stars

  (39)

  4 stars

  (4)

  3 stars

  (2)

  2 stars

  (1)

  1 star

  (0)

  in stock
• 

  18x24x1 AIRx ALLERGY Air Filter, 6-Pack

  $13.49 / Filter

  

  46 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (40)

  4 stars

  (3)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  18x24x2 AIRx DUST Air Filter - MERV 8

  $14.49 / Filter

  

  5 review(s)

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  Average rating 5.0/5

  5 stars

  (5)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x24x2 AIRx ALLERGY Air Filter - MERV 11

  $18.49 / Filter

  

  8 review(s)

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  Average rating 4.9/5

  5 stars

  (7)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  Bryant / Carrier Humidifier Water Panel 318518-761 (with Distributor Tray), 4-Pack

  $34.95 / Water Panel

  

  140 review(s)

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  Average rating 4.9/5

  5 stars

  (130)

  4 stars

  (7)

  3 stars

  (2)

  2 stars

  (1)

  1 star

  (0)

  In Stock
• 

  Bryant / Carrier Humidifier Water Panel 318518-761 (with Distributor Tray), 2-Pack

  $37.95 / Water Panel

  

  140 review(s)

  ◆

   

  Average rating 4.9/5

  5 stars

  (130)

  4 stars

  (7)

  3 stars

  (2)

  2 stars

  (1)

  1 star

  (0)

  In Stock
• 

  ClearChoice Replacement DE Grid Set - 18" Length - 36 Square Foot

  $162.29 / Filter Grid Set

  In Stock
• 

  Bryant / Carrier Humidifier Water Panel 318518-762 (with Distributor Tray), 2-Pack

  $34.95 / Water Panel

  

  99 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (89)

  4 stars

  (8)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (2)

  In Stock
• 

  Bryant / Carrier Humidifier Water Panel 318518-762 (with Distributor Tray), 4-Pack

  $32.95 / Water Panel

  

  99 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (89)

  4 stars

  (8)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (2)

  In Stock