The NOM 1 inch x 1/2 inch PEX B Crimp PPSU Black Polyphenylsulfone Coupling creates a barbed connection with PEX pipes. 

[QUALITY] This durable adapter is made with polyphenylsulfone, a high-performing thermoplastic used in demanding applications. The fitting is machined with high precision ensuring your connections can be easily connected and leak free for years to come.  

[EASY and QUICK INSTALLATION] In just seconds create a strong reliable water tight seal using a pex tool to crimp a PEX ring onto the barbed PEX end. (PEX rings are not included).

[FUNCTION] This PEX x PEX fitting is used to create a connection with PEX pipes for usage in potable and non-potable plumbing and water distribution systems.

[VERSATILE] Adaptable for any commercial, industrial or residential application, whether new or retrofit, this fitting can be used for potable water (sink, shower, washer, etc), HVAC, radiant, air, underground, natural gas and multiple plumbing purposes as allowed by local code.

[CERTIFIED] ASTM F2159