An environmentally safe replacement for Halon, Amerex’s HALOTRON 1™ FIRE EXTINGUISHERS contains a “clean agent” hydrochlorofluorocarbon discharged as a rapidly evaporating liquid that leaves no residue. Pressurized with argon gas, and EPA approved as an HCFC blend agent, Halotron I extinguishes Class A and B fires and will not conduct electricity. Perfect for protecting computer rooms or anywhere expensive electronics reside. Models AX386T, AX397 and AX398 are USCG approved with bracket listed on the UL label.