U110LFA SharkBite 1/4 in. x 1/2 in. MNPT Reducing Brass Push Male Adapter (Lead Free) Innovative push-to-connect design makes for quick and easy transition between CTS pipe to an FNPT threaded connection. Ideal for working in tight spaces. Faster install time and ease of use reduces installation errors.Compatible with PEX, copper, CPVC, PE-RT and HDPE pipe.No special tools, crimping, glue or soldering requiredCan be installed in wet lines.Approved for underground and behind-the-wall applications with no access panels (wrapping required when burying underground).Large diameter fittings (1-1/4 in. - 2 in.) require a Stiffener (sold separately) when connecting to PEX pipe.Remove using a Disconnect Clip or Disconnect Tongs (both sold separately).Rated for 200 psi and 200°F (93°C).