Search Results for '13 x 18 frame'

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  20x20x5 AIRx ALLERGY ReservePro 4531 Replacement Air Filter - MERV 11

  $38.81 / Filter

  

  8 review(s)

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  Average rating 4.8/5

  5 stars

  (6)

  4 stars

  (2)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
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  20x20x4 AIRx ALLERGY TopTech TT-FM-2020 Replacement Air Filter - MERV 11, 4-Pack

  $30.95 / Filter

  

  120 review(s)

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  Average rating 4.8/5

  5 stars

  (103)

  4 stars

  (9)

  3 stars

  (5)

  2 stars

  (1)

  1 star

  (2)

  in stock
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  20x25x5 AIRx ALLERGY GeneralAire 14201 Replacement Air Filter - MERV 11

  $50.95 / Filter

  in stock
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  16x20x5 AIRx ALLERGY ReservePro 4350 Replacement Air Filter - MERV 11

  $38.95 / 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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  20x20x5 AIRx DUST Skuttle 000-0448-003 Replacement Air Filter - MERV 8, 2-Pack

  $36.95 / Filter

  

  64 review(s)

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  Average rating 4.9/5

  5 stars

  (59)

  4 stars

  (5)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
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  28" X 30" X 1" MERV 8 Pleated Filter For Geothermal Systems

  $32.18 / Filter

  

  4 review(s)

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  Average rating 5.0/5

  5 stars

  (4)

  4 stars

  (0)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  5-7 Days to Ship
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  16x28x6 AIRx DUST Aprilaire 401 Replacement Air Filter - MERV 8

  $45.95 / Filter

  in stock
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  16x20x4 AIRx DUST Bryant/Carrier FILXXFNC-0017 Replacement Air Filter- MERV 8

  $40.95 / Filter

  

  56 review(s)

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  Average rating 4.8/5

  5 stars

  (49)

  4 stars

  (5)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  in stock
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  21x26x5 AIRx ALLERGY Trane BAYFTAH26M Replacement Air Filter - MERV 11, 4-Pack

  $66.95 / 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
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  14x25x1 AIRx ALLERGY Air Filter, 6-Pack

  $11.49 / Filter

  

  63 review(s)

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  Average rating 4.7/5

  5 stars

  (50)

  4 stars

  (10)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (2)

  in stock
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  21x23.5x1 AIRx DUST Trane BAYFTAH23P Replacement Air Filter - MERV 8

  $30.82 / 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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  20x22x1 AIRx DUST Air Filter - MERV 8

  $16.49 / Filter

  

  58 review(s)

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  Average rating 4.8/5

  5 stars

  (53)

  4 stars

  (3)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  in stock