Designed specifically for fighting difficult lithium fires. Well balanced for quick transport on 36" non-sparking rubber tread steel wheels. Pressurized with Argon and regulated to a low 125PSI to avoid disrupting the burning materials. Features include stainless steel collars, chrome plated brass fill caps, brass hose fittings, live swivels on discharge valve, heavy duty steel cylinder, carriage hose rack, UL/ULC bilingual (English/Spanish) nameplates with bar code, large instruction pictogram, DOT/TC Argon cylinder with quick opening brass valve and brass regulator. 6 year warranty. 544lb. shipping weight. Non-stock item, will advise lead time at time of order.