The 20 LB. LP OPD Valve for Propane Cylinder Tank is a gas valve made of brass, with a diameter of 2 inches and a height of 7 inches. It is designed for outdoor use, specifically for Propane Cylinder Tanks, with a 4.0 Dip Tube and a 375 PSI rating. The valve is gold in color and has a 3/4" - 14 NGT threaded connection. Manufactured by Cavagna in the United States, this unit is a durable and reliable option for those in need of a replacement part for their barbecue or grill.