The 360-80310-00 Mahle DOT Cylinder 30 Lb. 1/4" Flare With Float is a standard "re-usable" DOT container for R12. Its is rated for the extra high pressures of R22, with 1/4 in. SAE connections. This unit features an over-fill protection float switch. Compatible with RTI equipment or others that use a Brad Harrison type electrical connector.