30 lb OPD Valve for Aluminum bottles PV3004A

PV3004A - 30 lb OPD (Overfill Protection Device) Valve for 30 pound Aluminum bottles. 5.8 is stamped on the side of this valve which means that it has a 5.8” dip tube to prevent overfilling. These Valves allow you to be able to get LP Gas in any state you go to. Not sure if you have 30lb or 40lb? See Pitures!! These type bottles are on many Airstream trailers!