www.phcppros.com/articles/5173-propex-groove-fitting-adapters-from-uponor

ProPEX Groove Fitting Adapters from Uponor
April 27, 2017
Targeted for commercial plumbing or hydronic heating and cooling systems, the ProPEX groove fitting adapters for direct copper tube size (CTS) or iron pipe size (IPS) connections transitioning from PEX to metal piping. The complete offering, which is available in 2", 2½" and 3" sizes in lead-free (LF) brass, allows designers and installers to directly connect the PEX to groove fittings and couplings. Hi-res images are available by request.
Manufacturer Name: Uponor North America