Celcon, 3/4 inch male pipe, thread boiler drain, up to 150 between -20 degree & 180 degree Fahrenheit, neoprene seal disc, 3/4 inch hose thread outlet, chemical resistance, complies with ansi B2.1 & B2.4, not for use with compressed air.
Homewerks VBD-CEL-F4B Boiler Drain, Male Thread, Celcon, 3/4-Inch.