Search Results for 'how to find filter size'

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  20x20x5 AIRx ALLERGY Ultravation 91-013 Replacement Air Filter - MERV 11

  $38.81 / Filter

  

  10 review(s)

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  Average rating 4.2/5

  5 stars

  (5)

  4 stars

  (4)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  in stock
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  20x25x5 AIRx ALLERGY Replacement for Lennox Model X6673 Air Filter - MERV 11

  $51.95 / Filter

  

  98 review(s)

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  Average rating 4.6/5

  5 stars

  (77)

  4 stars

  (11)

  3 stars

  (2)

  2 stars

  (5)

  1 star

  (3)

  in stock
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  20x20x5 AIRx HEALTH Skuttle Media 000-0448-003 Replacement Air Filter - MERV 13, 4-Pack

  $43.95 / Filter

  in stock
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  20x20x5 AIRx HEALTH Skuttle Media 000-0448-003 Replacement Air Filter - MERV 13

  $55.95 / Filter

  in stock
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  16x25x5 AIRx ALLERGY Replacement for Lennox X6670 Air Filter - MERV 11, 2-Pack

  $40.95 / Filter

  

  162 review(s)

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  Average rating 4.6/5

  5 stars

  (127)

  4 stars

  (19)

  3 stars

  (8)

  2 stars

  (3)

  1 star

  (5)

  in stock
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  16x25x5 AIRx ALLERGY Replacement for Lennox X6670 Air Filter - MERV 11, 4-Pack

  $37.95 / Filter

  in stock
• 

  16x25x5 AIRx ALLERGY Replacement for Lennox X6670 Air Filter - MERV 11

  $49.95 / Filter

  in stock
• 

  18x20x4 AIRx DUST Air Filter - MERV 8

  $23.61 / Filter

  5-7 Days to Ship
• 

  Reverse Osmosis Retro Fit Kit

  $261.62 / Kit

  

  2 review(s)

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  Average rating 3.0/5

  5 stars

  (0)

  4 stars

  (1)

  3 stars

  (0)

  2 stars

  (1)

  1 star

  (0)

  3-4 Days to Ship