Stainless Steel Barb Fittings Our stainless steel fittings are made from a combination of 303 and 304 materials View basket “1/2″ x 1/2″ Straight Splicer” has been added to your basket. Barb Input (3) Elbow Splicer (4) H Tee (2) Straight Splicer (Equal) (3) Straight Splicer (Reducing) (3) Tee (5) U-Bend (2) Y Splicer (3)