Conbraco 3/4 In. Brass Expansion Barb x 3/4 In. FNPT x 18 In. WHC Stainless Steel Type A PEX Water Heater Connector Knobs & Hardware Made from high-density polyethylene to

Made from high-density polyethylene to protect against warpage and help prevent stress cracks

Ethanol may be okay for cars

it forms a smooth

the ribbed rubber is for positive holding

mm on reverse) are handy for sizing nuts

Conbraco 3/4 In. Brass Expansion Barb x 3/4 In. FNPT x 18 In. WHC Stainless Steel Type A PEX Water Heater Connector Knobs & Hardware Made from high-density polyethylene to3 4 In. Expansion PEX A x 3 4 In. FIP by 18 In. corrugated stainless steel water heater connector. For use with cold expansion PEX A pipe and sleeve system. Compatible with Uponor (Wirsbo) ProPEX piping systems (ProPEX is a trademark of Uponor). ASTM F1960.