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. Plastic quick disconnects (QDs) on the other hand, have a built-in washer so the additional nylon flare washer is not needed. The barb and nut are both made from stainless steel.
Size:
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. Plastic quick disconnects (QDs) on the other hand, have a built-in washer so the additional nylon flare washer is not needed. The barb and nut are both made from stainless steel.
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