"BC dry chemical agent sodium bicarbonate. Inhibits re-flashing of fire. UL rated 10-BC. Disposable cannot be recharged. U.S.A. Bracket Type Polymer, Strap Type Steel, Cylinder Material Seamless aluminum, Includes qty. 1, Comes Pre-Charged Yes, Product Type Liquid, grease, and electrical extinguishers, Rated UL rated 10-BC, Rechargeable No."