This is a weldless fitting for a cooler coversion. Fitting includes, 1/2 full coupler, 1/2 x 1 1/2 nipple, 1/2 Brass full port ball valve, 1 FDA food Grade Silicone 400 Degree o-ring close nipple, nut and washer. Also comes with spare o-ring. All parts except ball valve and hose barb are stainless steel.