USGI Flow Stopper

The USGI Flow Stopper is a 4 inch tube with PVC fittings on either side (total length of 12") that can also be used as a calcium chloride dryer- and can be attached to the top of any of the USGI Gas Dryer tubes. The Flow Stopper design incorporates a floating ball that will seal against the top of the unit stopping mud from moving further up the gas sample line. Can be used with 8344; 8345; 8346