Leak Testing Tool incl. Pump 17482 After completing the water circuit, the last step is usually to fill the system. Every now and then, it happens that some liquid leaks out somewhere. This is often because a hard tube or hose is not seated correctly or a connection has not been screwed in completely. With the Alphacool Leak Testing Tool, you can test the tightness of your water circuit before filling the system. Specifications: L x W x H 82 x 98 x 28 mm Tube length 40 cm Tube 11/8 mm with anti-kink spring Tube material PVC Tube color Black Thread G1/4" Maximum Pressure Max. 1 Bar