CASTER 2" 30” x 50’ Air Exhaust Port Size (in) Size:841 Air Exhaust Port Size (in) 3 8 Air Exhaust Port Thread Gender Female Air Exhaust Port Thread Type NPT Air Inlet Size (in) 1 4 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Ball Material Santoprene Center Section Material Polypropylene Diaphragm Compatible Material Santoprene Diaphragm Material Santoprene Fluid Inlet Size (in) 3 8 Fluid Inlet Thread Gender Female Fluid Inlet Thread Type BSP Fluid Outlet Size (in) 3 8 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type BSP Fluid Section Material Polypropylene Manifold Configuration End Port Manifold O Ring Material PTFE Material Polypropylene Maximum Air Consumption (SCFM) 5 high quality tool steel with 4 cutting edges