The SharkBite push-fit fittings are the fastest, easiest to join copper, CPVC, or PEX tubing in any combination. Each furnishings increases of use while decreasing the time and effort needed to connect water distribution pipe. There no glue, fastening or crimping needed. Simply your pipe, debar, mark the pipe approximately 1 -LRB- for correct insertion depth -RRB-, install pipe to correct depth and you 're done.