18 Inch Width

18x25x2 MERV 8 HVAC Air Filters

As Low as $8.09 per Filter!   18 x 25 x 2 MERV 8 HVAC Air Filters.    Actual Dimensions: 17 ½” x 24 ½” x 1 ¾”.  Filtration Rating: MERV 8, MPR 600, FPR 5.  Captures:...

18x25x2 MERV 13 HVAC Air Filters

As Low as $11.97 per Filter!    18 x 25 x 2 Air Conditioner and Furnace Filter.  Actual Size: 17-1/2 x 24-1/2 x 1-3/4.  Filtration Rating: MERV 13, FPR 10, MPR 2200.  Protects: Pollen, dirt, dust, pet...

18x25x2 MERV 11 HVAC Air Filters

As Low as $8.45 per Filter!   18 x 25 x 2 MERV 11 AC and Furnace Air Filters.  Actual Dimensions: 17-1/2 x 24-1/2 x 1-3/4.  Filtration Rating: MERV 11, FPR 7, MPR 1000.  Protection: Smoke, Pet Dander, Pollen,...

18x25x1 MERV 8 HVAC Air Filters

As Low as $5.39 per Filter!   18 x 25 x 1 MERV 8 HVAC Air Filters.  Actual Size: 17 ½” x 24 ½” x ¾”.  Filtration Rating: MERV 8, MPR 600, FPR 5.  Captures: Lint, Dust, Pet...

18x25x1 MERV 13 HVAC Air Filters

As Low as $7.99 per Filter!   18 x 25 x 1 MERV 13 Air Filter for A/C and Furnace.  Actual Dimensions: 17-1/2 x 24-1/2 x 3/4.  Filter Rating: MERV 13, FPR 10, MPR 2200.   Our premium 18x25x1 MERV 13 filter will...

18x25x1 MERV 11 HVAC Air Filters

As Low as $6.59 per Filter!   18 x 25 x 1 MERV 11 Air Filters for your HVAC System.   Actual Size: 17-1/2 x 24-1/2 x 3/4.   Filtration Rating: MERV 11, FPR 7, MPR 1000.   Protection: Smoke, Pet Dander, Pollen,...

18x24x4 MERV 8 HVAC Air Filters

As Low as $10.99 per Filter!   18 x 24 x 4 MERV 8 HVAC Air Filters Actual Dimensions: 17 3/8” x 23 3/8" x 3 3/4”Filtration Rating: MERV 8, MPR 600, FPR 5Blocks and captures lint, dust, pet dander, pollen, dust mites, & mold Our...

18x24x4 MERV 13 HVAC Air Filters

As Low as $19.99 per Filter!    18 x 24 x 4 HVAC Air Filter.  Actual Size: 17-3/8 x 23-3/8 x 3-3/4.  Filter Rating: MERV 13 | FPR 10 | MPR 2200.  Protects: Pollen, dirt, dust, pet dander, viruses, smoke,...

18x24x4 MERV 11 HVAC Air Filters

As Low as $14.99 per Filter!   18 x 24 x 4 MERV 11 HVAC Air Filters.  Actual Dimensions: 17-3/8 x 23-3/8 x 3-3/4.   Filtration Rating: MERV 11, FPR 7, MPR 1000.  Protection: Smoke, Pet Dander, Pollen, Bacteria,...

18x24x2 MERV 8 HVAC Air Filters

As Low as $8.09 per Filter!    18 x 24 x 2 MERV 8 HVAC Air Filters.   Actual Dimensions: 17 3/8” x 23 3/8” x 1 3/4”.  Filtration Rating: MERV 8, MPR 600, FPR 5.  Captures: Lint, dust,...

18x24x2 MERV 13 HVAC Air Filters

As Low as $11.97 per Filter!    18 x 24 x 2 Air Conditioner and Furnace Filter.  Actual Size: 17-3/8 x 23-3/8 x 1-3/4.  Filtration Rating: MERV 13, FPR 10, MPR 2200.  Protects: Pollen, dirt, dust, pet...

18x24x2 MERV 11 HVAC Air Filters

As Low as $8.45 per Filter!   18 x 24 x 2 MERV 11 AC and Furnace Air Filters.  Actual Dimensions: 17-3/8 x 23-3/8 x 1-3/4.  Filtration Rating: MERV 11, FPR 7, MPR 1000.  Protection: Smoke, Pet Dander, Pollen,...