Water supply fitting  for Rainfresh UCS2, UCS3, UCCSM and other undersink water filtration systems

Provides water connection from undersink cold water pipe (with 3/8″) valve to water filtration system. Cannot be used if undersink water pipe does not have a 3/8″ valve.

Food Grade Acetal, certified to NSF/ANSI standards

One 2557 water supply fitting (3/8″)