Search Results for '13 x 21'

• 

  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, 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 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
• 

  Aprilaire #213 MERV 13 Replacement Filter, 2-Pack

  $86.46 / Filter

  

  360 review(s)

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  Average rating 4.8/5

  5 stars

  (314)

  4 stars

  (38)

  3 stars

  (5)

  2 stars

  (1)

  1 star

  (2)

  In Stock
• 

  Aprilaire #210 MERV 11 Replacement Filter, 2-Pack

  $72.75 / Filter

  

  256 review(s)

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  Average rating 4.8/5

  5 stars

  (224)

  4 stars

  (27)

  3 stars

  (3)

  2 stars

  (0)

  1 star

  (2)

  In Stock
• 

  21x21.5x5 AIRx ALLERGY Trane BAYFTAH21M Replacement Air Filter - MERV 11, 2-Pack

  $45.95 / Filter

  

  24 review(s)

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  Average rating 4.6/5

  5 stars

  (21)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (2)

  in stock
• 

  Aprilaire #213 Media Filter

  $89.95 / Filter

  

  88 review(s)

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  Average rating 4.9/5

  5 stars

  (79)

  4 stars

  (8)

  3 stars

  (0)

  2 stars

  (1)

  1 star

  (0)

  In Stock
• 

  Aprilaire #213 MERV 13 Replacement Filter - 8 Pack

  $78.73 / Filter

  

  6 review(s)

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  Average rating 4.8/5

  5 stars

  (5)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  In Stock
• 

  21x21.5x5 AIRx DUST Trane BAYFTAH21M Replacement Air Filter - MERV 8, 4-Pack

  $39.95 / Filter

  

  24 review(s)

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  Average rating 4.6/5

  5 stars

  (21)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (2)

  in stock
• 

  Aprilaire #413 MERV 13 Replacement Filter, 2-Pack

  $77.11 / Filter

  

  337 review(s)

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  Average rating 4.8/5

  5 stars

  (295)

  4 stars

  (29)

  3 stars

  (9)

  2 stars

  (0)

  1 star

  (4)

  In Stock
• 

  Generalaire 990-13 Evaporator Pad, 2-Pack

  $26.95 / Water Panel

  

  117 review(s)

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  Average rating 4.9/5

  5 stars

  (106)

  4 stars

  (9)

  3 stars

  (1)

  2 stars

  (1)

  1 star

  (0)

  In Stock