TotalFit is the professional-grade, engineered polymer (EP), push-to-connect fitting solution that provides greater value for residential projects with the same versatility and speed as brass push-to-connect fittings, the company says. Now, plumbers have a trusted, reliable push-to-connect fitting option in sizes from 1/2" to 1" that works with any copper tube size (CTS) piping, including PEX, PE-RT, CPVC and copper.