* Just the tool to remove congested media from a dive tank after turnbling.
* Snap this air gun onto any pressurized BC hose, place the curved tube nozzle into the neck of the tank which is inverted over a catch pan, and inject a stream of air.
* The internal pressure created will quickly jet a slurry of liquid and media into the pan, emptying the cylinder in seconds.
 "Tank Purge Air Gun")