SCUBA cylinders are exposed to many hazards that may cause concern during the filling process. To keep everyone safe the SCUBA cylinder should undergo a regular annual inspection. If the cylinder has been exposed to a hazard it might need more frequent inspections. You, the diver, are encouraged to have the cylinder inspected at any time an issue arises.
All cylinders are subject to an annual visual inspection. Costs are $12.50 + valve o-rings and other required replacement parts.