Search Results for '21 x21 12 x 5'

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  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
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  Trane/American Standard PERFECT FIT Air Filter (BAYFTAH21P4)

  $15.45 / 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
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  21x21.5x1 AIRx ALLERGY Trane BAYFTAH211P Replacement Air Filter - MERV 11

  $34.70 / Filter

  1 Week to Ship
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  20x21x5 AIRx HEALTH White Rodgers FR1600-100 Replacement Air Filter - MERV 13

  $64.44 / Filter

  

  3 review(s)

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  Average rating 3.3/5

  5 stars

  (1)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  1 Week to Ship
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  21x21x4.5 AIRx HEALTH Rheem/Ruud RXHF-E21AM130 Replacement Air Filter - MERV 13

  $90.71 / 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
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  19.75x21.5x1 AIRx DUST Air Filter, 6-Pack

  $17.49 / Filter

  

  89 review(s)

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  Average rating 4.7/5

  5 stars

  (72)

  4 stars

  (11)

  3 stars

  (5)

  2 stars

  (1)

  1 star

  (0)

  in stock
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  13x21.5x1 AIRx DUST Air Filter, 6-Pack

  $11.49 / Filter

  

  56 review(s)

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  Average rating 4.9/5

  5 stars

  (51)

  4 stars

  (5)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
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  16x21x5 AIRx ALLERGY White Rodgers FR1000-100 Replacement Air Filter - MERV 11

  $54.54 / Filter

  

  4 review(s)

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  Average rating 4.0/5

  5 stars

  (3)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  1 Week to Ship
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  21x21x1 AIRx DUST Air Filter - MERV 8

  $14.49 / Filter

  

  7 review(s)

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  Average rating 4.0/5

  5 stars

  (5)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (1)

  1 star

  (1)

  6-8 Weeks to Ship
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  16x21x5 AIRx DUST White Rodgers FR1000-100 Replacement Air Filter - MERV 8

  $50.28 / Filter

  1 Week to Ship
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  19x21x1 AIRx DUST Air Filter - MERV 8

  $15.49 / Filter

  

  5 review(s)

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  Average rating 4.8/5

  5 stars

  (4)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  1 Week to Ship
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  13x21.5x1 AIRx ODOR Air Filter - CARBON

  $26.06 / Filter

  1 Week to Ship