Search Results for '13 x21'

• 

  19x21x1 AIRx ALLERGY Air Filter - MERV 11

  $21.29 / Filter

  

  10 review(s)

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  Average rating 4.5/5

  5 stars

  (8)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  1 Week to Ship
• 

  13x21.5x1 AIRx ALLERGY Air Filter, 6-Pack

  $14.49 / Filter

  

  43 review(s)

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  Average rating 4.7/5

  5 stars

  (33)

  4 stars

  (9)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  13x21.5x1 AIRx DUST Air Filter, 12-Pack

  $10.49 / Filter

  

  9 review(s)

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  Average rating 4.4/5

  5 stars

  (5)

  4 stars

  (3)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  13x21.5x1 AIRx ALLERGY Air Filter, 12-Pack

  $13.49 / 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
• 

  13x21.5x1 AIRx ALLERGY Air Filter

  $22.49 / Filter

  in stock
• 

  19.75x21.5x1 AIRx DUST Air Filter, 4-Pack

  $19.49 / Filter

  in stock
• 

  19.75x21.5x1 AIRx ALLERGY Air Filter, 4-Pack

  $21.49 / Filter

  

  3 review(s)

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  Average rating 4.7/5

  5 stars

  (2)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  21x21x4.5 AIRx ALLERGY Rheem/Ruud RXHF-E21AM10 Replacement Air Filter - MERV 11

  $72.10 / Filter

  

  13 review(s)

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  Average rating 4.9/5

  5 stars

  (12)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  1 Week to Ship
• 

  17.5x21x4.5 AIRx ALLERGY Rheem/Ruud RXHF-E17AM10 Replacement Air Filter - MERV 11

  $61.47 / Filter

  

  12 review(s)

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  Average rating 5.0/5

  5 stars

  (12)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  1 Week to Ship
• 

  21x21.5x1 AIRx ALLERGY Trane BAYFTAH211P Replacement Air Filter - MERV 11

  $34.70 / Filter

  1 Week to Ship
• 

  17.5x21x4.5 AIRx HEALTH Rheem/Ruud RXHF-E17AM13 Replacement Air Filter - MERV 13

  $75.25 / 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)

  1 Week to Ship
• 

  21x21.5x1 AIRx DUST Trane BAYFTAH21P Replacement Air Filter - MERV 8

  $32.83 / 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)

  1 Week to Ship