Suitable for common industrial use: Office, hotels, and schools. Monoammonium phosphate dry chemical extinguishing agent is effective against wood, paper, and cloth fires plus grease, oil, gasoline, and electrical fires. Unit is rechargeable and has large easy-to-read pressure gauge. Metal head, metal valve, and metal gauge. Includes metal wall hanger for mounting. Optional bracket model No. BRACKET5 (SKU 300016) available to meet USCG approval. 5 year limited warranty. Agent weight: 5 lb.