Check the listing for details. Antelco Xpando Take-Off Adapter. Condition: New. Listed at 9.96 USD. Expando Take-Off AdaptersUse Xpando Take-Off adapters to connect low pressure PVC pipe (class 200 and 160 only) or poly tubing to micro-irrigation tubing and drip lines. Innovative collapsible barb prevents accidental pull-out and reduces grommet damage during the installation process. Capo Rubber Grommets and the Xpando Drill Bit are required for leakproof installation. Features:Easy to install, saves time and moneyFitting stays firmly in place when used with the Capo GrommetUV stabilized materials for long life16mm barb is compatible with Drip Depot 1/2" poly tubing21mm barb is compatible with Drip Depot 3/4" poly tubing Xpando Take-Off Adapter Nominal Pipe SizeMin Wall ThicknessMax Wall ThicknessCapo GrommetHole Size Req16mm x 16mm2"0.06"0.14"16mm3/4"19mm x 21mm2"0.06"0.24"19mm7/8"