HOLDRITE introduces TESTRITE, a safe, dry and fast-testing system designed for stack testing of PVC, ABS and no-hub cast-iron drains, waste and vent plumbing systems. Designed by plumbers, the system features a reusable test wedge that keeps projects and installers safe and dry, drastically reduces testing time and works on multiple DWV piping systems.
Holdrite testing system
![Holdrite](http://www.supplyht.com/ext/resources/SHT/2015/July-2015/Products/sht0715_Products_Holdrite.jpg?1437585842)