1.SHINESTAR hose adapter is the size that fits the small green canisters that are normally used with portable propane appliances, it will fit into the coupler that was originally designed for a 1 lb propane tank on most small appliances.
2.The black plastic part threads onto the Type1 propane tank and the two brass threaded “Y” fittings thread connect your adapter hose fittings onto your two devices. such as BBQ grill, gas smoker, gas heater, propane stove.
3.If you got them- they will allows you to run two appliances for outdoor cooking wherever you enjoy it most- on picnics, camping, boating, tailgating or even in your own backyard. Package included: Package included: 12ft long hose & propane y connector.