VeraCastell Air Filter 12x18x1

12x18x1 A/C Furnace HVAC Filters. �Exact Measurements: 11-1/2 x 17-1/2 x 3/4. �Filtration Rating: MERV 8 | FPR 5 | MPR 600. ��� Efficiently improve the air quality in residential or commercial applications with our MERV 8 12x18x1 HVAC Filters for your furnace or air conditioner.