https://www.acehardware.com/departments/plumbing/pipe-fittings/pex-fittings/4807186
Flair-It PEXLock 1 in. PEX X 1 in. D PEX Plastic Plug Mfr# 30768 - Ace Hardware
PEXlock 1 inch plug, quick and easy to install using only pliers, use straight head screwdriver to remove, can reuse, use with 1 inch PEX pipe.Find the PLUG...