Search Results for '18 x 18 x '

• 

  18x24x1 AIRx ODOR Air Filter - Carbon

  $18.68 / Filter

  1 Week to Ship
• 

  18x20x1 AIRx ODOR Air Filter - Carbon MERV 8

  $13.49 / Filter

  in stock
• 

  18x24x3 MERV 13 Return Air Grille Filter, 2-Pack

  $50.23 / Filter

  1 Week to Ship
• 

  Trane QwikBox® Replacement Filter - FLRQB5AH18M11, 2-Pack

  $44.98 / Filter

  

  13 review(s)

  ◆

   

  Average rating 4.4/5

  5 stars

  (9)

  4 stars

  (2)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  In Stock
• 

  18x20x2 AIRx ALLERGY Air Filter - MERV 11

  $19.49 / Filter

  in stock
• 

  18x20x2 AIRx DUST Air Filter - MERV 8

  $14.49 / Filter

  in stock
• 

  18x20x2 AIRx HEALTH Air Filter - MERV 13

  $18.56 / Filter

  in stock
• 

  18x18x1 AIRx ALLERGY Air Filter, 6-Pack

  $14.49 / Filter

  

  50 review(s)

  ◆

   

  Average rating 4.6/5

  5 stars

  (37)

  4 stars

  (8)

  3 stars

  (2)

  2 stars

  (3)

  1 star

  (0)

  in stock
• 

  18x18x1 AIRx HEALTH Air Filter - MERV 13

  $17.49 / Filter

  

  17 review(s)

  ◆

   

  Average rating 4.5/5

  5 stars

  (11)

  4 stars

  (4)

  3 stars

  (1)

  2 stars

  (1)

  1 star

  (0)

  in stock
• 

  18x24x1 AIRx DUST Air Filter, 6-Pack

  $9.49 / Filter

  

  75 review(s)

  ◆

   

  Average rating 4.9/5

  5 stars

  (68)

  4 stars

  (5)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  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
• 

  18x18x1 AIRx DUST Air Filter, 6-Pack

  $11.49 / Filter

  

  76 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (62)

  4 stars

  (11)

  3 stars

  (3)

  2 stars

  (0)

  1 star

  (0)

  in stock