Search Results for '18 in by 18 in'

• 

  16x18x1 AIRx HEALTH Air Filter - MERV 13

  $17.49 / Filter

  in stock
• 

  18x20x1 AIRx Air Flow Pleated Air Filter

  $18.49 / Filter

  

  4 review(s)

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  Average rating 4.5/5

  5 stars

  (3)

  4 stars

  (0)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  Fiberglass 18" X 20" X 1" Panel Filter - Equipment Protection

  $5.12 / Filter

  

  12 review(s)

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  Average rating 4.8/5

  5 stars

  (10)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  Fiberglass 18" X 24" X 1" Panel Filter - Equipment Protection

  $5.55 / Filter

  

  11 review(s)

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  Average rating 3.9/5

  5 stars

  (7)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (1)

  1 star

  (2)

  in stock
• 

  Fiberglass 18" X 25" X 1" Panel Filter - Equipment Protection

  $5.95 / Filter

  

  4 review(s)

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  Average rating 3.5/5

  5 stars

  (2)

  4 stars

  (0)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  Fiberglass 18" X 18" X 1" Panel Filter - Equipment Protection

  $5.12 / Filter

  

  11 review(s)

  ◆

   

  Average rating 3.9/5

  5 stars

  (7)

  4 stars

  (0)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (2)

  in stock
• 

  18x24x2 AIRx DUST Air Filter - MERV 8

  $13.49 / Filter

  in stock
• 

  Fiberglass 12" X 18" X 1" Panel Filter - Equipment Protection

  $6.63 / Filter

  

  4 review(s)

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  Average rating 4.5/5

  5 stars

  (3)

  4 stars

  (0)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x24x2 AIRx ALLERGY Air Filter - MERV 11

  $17.49 / 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)

  in stock
• 

  18x24x1 AIRx DUST Air Filter, 12-Pack

  $8.49 / Filter

  

  41 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (35)

  4 stars

  (5)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  18x20x1 AIRx ODOR Air Filter - Carbon MERV 8

  $14.49 / 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
• 

  18x20x1 AIRx ALLERGY Air Filter, 12-Pack

  $12.49 / Filter

  

  10 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (9)

  4 stars

  (0)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock