Search Results for '20 x 18'

• 

  Practical Pleat 20" X 25" X 2" Return Grille Filter

  $45.11 / Filter

  2-3 Weeks to Ship
• 

  20x22x1 AIRx HEALTH Air Filter - MERV 13

  $21.49 / Filter

  

  20 review(s)

  ◆

   

  Average rating 4.5/5

  5 stars

  (15)

  4 stars

  (2)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  Honeywell Replacement Prefilter for 20" X 25" Air Cleaner - F50A-F50E

  $55.27 / Filter

  In Stock
• 

  20x22x1 AIRx DUST Air Filter - MERV 8

  $16.49 / Filter

  

  58 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (53)

  4 stars

  (3)

  3 stars

  (1)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  12x18x1 AIRx DUST Air Filter - MERV 8

  $12.49 / Filter

  

  32 review(s)

  ◆

   

  Average rating 4.7/5

  5 stars

  (26)

  4 stars

  (5)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  20x24x4 AIRx ALLERGY Air Filter - MERV 11

  $23.14 / Filter

  

  10 review(s)

  ◆

   

  Average rating 4.5/5

  5 stars

  (5)

  4 stars

  (5)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (0)

  in stock
• 

  14x18x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack

  $15.49 / Filter

  

  17 review(s)

  ◆

   

  Average rating 4.5/5

  5 stars

  (12)

  4 stars

  (4)

  3 stars

  (0)

  2 stars

  (0)

  1 star

  (1)

  in stock
• 

  Practical Pleat 20" X 25" X 5" Return Grille Filter

  $91.69 / Filter

  

  9 review(s)

  ◆

   

  Average rating 4.4/5

  5 stars

  (6)

  4 stars

  (1)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (0)

  2-3 Weeks To Ship
• 

  18" X 20" X 2" MERV 11 Pleated Filter For Geothermal Systems

  $20.58 / Filter

  1 Week to Ship
• 

  20x22x2 AIRx DUST Air Filter - MERV 8

  $19.37 / Filter

  1 Week to Ship
• 

  16x20x4 AIRx ALLERGY TopTech TT-FM-1620 Replacement Air Filter - MERV 11, 4-Pack

  $26.95 / Filter

  

  38 review(s)

  ◆

   

  Average rating 4.6/5

  5 stars

  (31)

  4 stars

  (3)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (2)

  in stock
• 

  18x24x1 AIRx ALLERGY Air Filter, 6-Pack

  $13.49 / Filter

  

  47 review(s)

  ◆

   

  Average rating 4.8/5

  5 stars

  (41)

  4 stars

  (3)

  3 stars

  (2)

  2 stars

  (0)

  1 star

  (1)

  in stock