3M Scott 804721-11-D Custom Assy Cylinder and Valve ST7 CGS 4.5 (30 Min) (Empty)

3M™ Scott™ carbon cylinder for SCBA users has a lightweight, composite cylinder consisting of an aluminum alloy inner shell with a total overwrap of carbon fiber, fiberglass and an epoxy resin. Working pressure 4500 psig and rated for 30 minute duration based on NIOSH breathing rates.

Features: 

• Carbon Cylinders are built to DOT and TC specifications. *30 year cylinders DOT only
• Luminescent band provides greater visibility
• Hydrostatic testing to be performed every five years