25 Jul 18x20x1 MERV 10 Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 19-1/2 x 7/8
12 Pack of 18x20x1 MERV 10 Pleated Air Filters for AC & Furnace by Glasfloss. Actual Size: 17-1/2 x 19-1/2 x 7/8 ● Filtration Rating: MERV 10. Comparable to 3M/Filtrete MPR rating 600 to 800, or Honeywell FPR rating 5 to 6. ● Protects from...