1 Inch Air Filters

18x25x1 MERV 13 HVAC Air Filters

As Low as $8.95 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 $7.38 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,...

18x24x1 MERV 8 HVAC Air Filters

As Low as $6.07 per Filter!    18 x 24 x 1 MERV 8 HVAC Air Filters.  Actual Size: 17 3/8” x 23 3/8” x 3/4”.  Filtration Rating: MERV 8, MPR 600, FPR 5.  Captures: Lint, Dust, Pet Dander,...

18x24x1 MERV 13 HVAC Air Filters

As Low as $8.95 per Filter!    18 x 24 x 1 MERV 13 Air Filter for A/C and Furnace.  Actual Dimensions: 17-3/8 x 23-3/8 x 3/4.  Filter Rating: MERV 13, FPR 10, MPR 2200.   Our premium 18x24x1 MERV 13...

18x22x1 MERV 8 HVAC Air Filters

As Low as $6.07 per Filter!   18 x 22 x 1 MERV 8 HVAC Air Filters.  Actual Size: 17 3/8" x 21 1/2” x 3/4”.  Filtration Rating: MERV 8, MPR 600, FPR 5.  Defends: Lint, Dust, Pet Dander, Pollen, Dust...

18x20x1 MERV 8 HVAC Air Filters

As Low As $6.07 Per Filter!  18 x 20 x 1 MERV 8 AC & Furnace Air Filters.  Actual Size: 15 3/8” x 19 1/2” x 3/4”.  Filtration Rating: MERV 8, MPR 600, FPR 5.  Protects: Lint, Dust, Pet Dander,...

18x20x1 MERV 13 HVAC Air Filters

As Low As $8.21 Per Filter!   18 x 20 x 1 MERV 13 Air Filter for A/C and Furnace.  Actual Dimensions: 17-3/8 x 19-1/2 x 3/4.  Filter Rating: MERV 13, FPR 10, MPR 2200.   Our premium 18x20x1 MERV 13 filter will...

18x20x1 MERV 11 HVAC Air Filters

As Low As $7.38 Per Filter!  18 x 20 x 1 MERV 11 Air Filters for your HVAC System.   Actual Size: 17-1/2 x 19-1/2 x 3/4.   Filtration Rating: MERV 11, FPR 7, MPR 1000.   Protection: Smoke, Pet Dander, Pollen, Bacteria,...

18x18x1 MERV 8 HVAC Air Filters

As Low As $6.07 Per Filter!  18 x 18 x 1 MERV 8 HVAC Air Filters.  Actual Size: 17 3/4" x 17 3/4 x 3/4”.  Filtration Rating: MERV 8, MPR 600, FPR 5.  Defends: Lint, Dust, Pet Dander, Pollen, Dust Mites, &...

18x18x1 MERV 13 HVAC Air Filters

As Low As $8.21 Per Filter!   18 x 18 x 1 MERV 13 Air Filter for A/C and Furnace.  Actual Dimensions: 17-3/4 x 17-3/4 x 3/4.  Filter Rating: MERV 13, FPR 10, MPR 2200.  Our premium 18x18x1 MERV 13 filter will...

18x18x1 MERV 11 HVAC Air Filters

As Low As $7.38 Per Filter!  18 x 18 x 1 MERV 11 Air Filters for your HVAC System.   Actual Size: 17-3/4 x 17-3/4 x 3/4.   Filtration Rating: MERV 11, FPR 7, MPR 1000.   Protection: Smoke, Pet Dander, Pollen, Bacteria,...

16x30x1 MERV 8 HVAC Air Filters

As Low As $6.54 Per Filter!  16 x 30 x 1 MERV 8 AC & Furnace Air Filters.  Actual Size: 15 3/4” x 29 3/4” x 3/4”.  Filtration Rating: MERV 8, MPR 600, FPR 5.  Protects: Lint, Dust, Pet Dander,...