Search Results for '20 x 18'

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  20x20x5 AIRx ALLERGY Replacement for Lennox X0585 Air Filter - MERV 11, 4-Pack

  $45.95 / Filter

  in stock
• 

  12x20x1 AIRx HEALTH Air Filter - MERV 13

  $18.49 / Filter

  

  15 review(s)

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  Average rating 4.1/5

  5 stars

  (9)

  4 stars

  (3)

  3 stars

  (0)

  2 stars

  (1)

  1 star

  (2)

  in stock
• 

  20x20x5 AIRx HEALTH Skuttle Media 000-0448-003 Replacement Air Filter - MERV 13, 4-Pack

  $43.95 / Filter

  in stock
• 

  18x30x1 AIRx HEALTH Air Filter - MERV 13

  $21.49 / Filter

  

  21 review(s)

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  Average rating 4.8/5

  5 stars

  (18)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (1)

  1 star

  (0)

  in stock
• 

  18x36x1 AIRx ALLERGY Air Filter - MERV 11

  $20.46 / Filter

  5-7 Days to Ship
• 

  20x36x1 AIRx DUST Air Filter - MERV 8

  $18.49 / Filter

  

  16 review(s)

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  Average rating 4.6/5

  5 stars

  (11)

  4 stars

  (4)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  16x20x2 AIRx ALLERGY Air Filter - MERV 11

  $13.49 / Filter

  

  22 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (19)

  4 stars

  (1)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  20x24x2 AIRx HEALTH Air Filter - MERV 13

  $20.89 / Filter

  in stock
• 

  18x36x1 AIRx DUST Air Filter - MERV 8

  $19.49 / Filter

  

  6 review(s)

  ◆

   

  Average rating 4.5/5

  5 stars

  (4)

  4 stars

  (1)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  5-7 Days to Ship
• 

  18x18x3 MERV 11 Return Air Grille Filter, 2-Pack

  $43.77 / Filter

  3-4 Weeks to Ship
• 

  20x25x1 AIRx High Flow Air Filter, 12-Pack

  $12.29 / Filter

  

  16 review(s)

  ◆

   

  Average rating 5.0/5

  5 stars

  (16)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  20x20x5 AIRx ALLERGY ReservePro 4354 Replacement Air Filter - MERV 11

  $46.02 / Filter

  in stock