Delivers a consistent air supply at 40 lpm. Standard-flow rate for a smooth escape in normal aerobic escape applications. TransAire 10 respirator is pressurized to 3000 psig, and the TransAire 5 is pressurized to 2216 psig. Compact units employ aluminum cylinders that can withstand exposure to temperatures from 0å¡ to 160å¡ F. Durable and lightweight.