Innovative push-to-connect design makes for quick and easy transition between PEX, copper, CPVC, PE-RT or SDR-9 HDPE pipe to an MNPT threaded connection. Ideal for working in tight spaces. Faster install time and ease of use reduces installation errors.No special tools, crimping, glue or soldering requiredCan be installed in wet linesApproved for underground and behind-the-wall applications with no access panels (wrapping required when burying underground)Remove using a disconnect clip or disconnect tongs (both sold separately)