Able to clean inside of 12 x 62 in. high-pressure gas cylinders in 5-8 min, self-contained Model M-IDB blaster includes cylinder lift, cylinder rotator, pressure pot, lance, and initial charge of cleaning abrasive. Self-contained Model IDB-2 cleans 2 high-pressure gas cylinders up to 12 x 62 in. in 90 sec and includes same components.