Rolair Intake Filter Canister for JC20 Air Compressor Single This is a brand-new, single replacement intake filter for the Rolair JC20 model air compressor. The inner element filters dust, smoke, oil spray, and other contaminants from entering your air compressor. This item includes both a filter element and a metal housing. 1/2" male NPT threads. Measurements are 2-1/4" H x 2-3/8" W. Features Single Replacement Intake Filter for Rolair JC20 Prevents Contaminants from Entering Air Compressor Includes Filter Element and Metal Housing 1/2" Male NPT Threads Dimensions: 2-1/4" H x 2-3/8" W