3M Scott 804721-35 Cyl & Valve Assy, 30 Yr, CGA, 4.5, 30 Min

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
• Luminescent band provides greater visibility
• Hydrostatic testing to be performed every five years