Search Results for '19 12x 21 12'

• 

  Fiberglass 12" X 20" X 1" Panel Filter - Equipment Protection

  $4.01 / Filter

  

  27 review(s)

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  Average rating 4.8/5

  5 stars

  (24)

  4 stars

  (1)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  12x30x1 AIRx ALLERGY Air Filter - MERV 11

  $15.49 / Filter

  

  22 review(s)

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  Average rating 4.6/5

  5 stars

  (16)

  4 stars

  (4)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  Fiberglass 12" X 30" X 1" Panel Filter - Equipment Protection

  $5.45 / Filter

  

  8 review(s)

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  Average rating 4.3/5

  5 stars

  (5)

  4 stars

  (1)

  3 stars

  (1)

  2 stars

  (1)

  1 star

  (0)

  in stock
• 

  12x20x1 AIRx ALLERGY Air Filter - MERV 11

  $11.49 / Filter

  

  29 review(s)

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  Average rating 4.4/5

  5 stars

  (23)

  4 stars

  (2)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (3)

  in stock
• 

  21.5x23.5x1 AIRx DUST Air Filter, 6-Pack

  $14.49 / Filter

  

  49 review(s)

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  Average rating 4.7/5

  5 stars

  (40)

  4 stars

  (6)

  3 stars

  (2)

  2 stars

  (1)

  1 star

  (0)

  in stock
• 

  12x20x1 AIRx DUST Air Filter - MERV 8

  $10.49 / Filter

  

  73 review(s)

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  Average rating 4.7/5

  5 stars

  (60)

  4 stars

  (9)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (3)

  in stock
• 

  12" X 20" X 2" MERV 11 Pleated Filter For Geothermal Systems

  $9.69 / Filter

  In Stock
• 

  21.5x23.5x1 AIRx ALLERGY Air Filter, 6-Pack

  $17.49 / Filter

  

  64 review(s)

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  Average rating 4.5/5

  5 stars

  (44)

  4 stars

  (13)

  3 stars

  (4)

  2 stars

  (2)

  1 star

  (1)

  in stock
• 

  Dynamic Equivalent Air Cleaner Refills - 12" x 24" x 1" - 3 Pack

  $19.44 / Refill Pad

  1 Week to Ship
• 

  21.5x23.5x1 AIRx DUST Air Filter, 12-Pack

  $13.49 / Filter

  

  3 review(s)

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  Average rating 5.0/5

  5 stars

  (3)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  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
• 

  12x24x2 AIRx ALLERGY Air Filter - MERV 11

  $13.61 / Filter

  

  2 review(s)

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  Average rating 4.5/5

  5 stars

  (1)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock