5/16 in. barb and 1/4 in. swivel nut for flare fitting connections. If you're connecting to stainless steel or brass, you will also need a nylon flare washer to form a seal. The barb is made from stainless steel. The nut is made from nickel plated brass.
Comes in a convenient zip lock bag.
WARNING
: This product can expose you to chemicals including Lead and lead compounds, which is/are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to