18x20x1

18x20x1 MERV 10 HVAC Air Filters. 12 Pack

18 x 20 x 1 MERV 10 AC & Furnace Air Filters.  Actual Size: 17 ½” x 19 ½” x 7/8”.  Filtration Rating: MERV 10, MPR 600-700, FPR 5-6.  Protects: Lint, Dust, Pet Dander, Pollen, Dust Mites,...

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,...