PBT – flexible (ordinarily gray or black) plastic pipe that's connected to barbed fittings and secured in position by using a copper crimp ring. The main maker of PBT tubing and fittings was driven out of business by a category-action lawsuit above failures of this system. In 2006, the legislature https://schreibtischhhenverstellb47024.plpwiki.com/6413442/indicators_on_plumber_you_should_know