Highly effective, clean, green and safe all describe these systems which utilize 3Ms Novec 1230 fire suppression agent. The extremely low toxicity of Novec 1230, combined with its high extinguishing efficiency makes these systems safe for vessels where crew may be exposed to the agent in the event of a discharge. Extremely clean, Novec 1230 vaporizes rapidly, is non-conductive and non-corrosive, so delicate electronics are not harmed. Extremely green”, Novec 1230 poses zero ozone depletion potential and almost no global warming potential. Systems are designed for automatic operation. Manual activation requires selection of a Manual Release Cable, sold separately. Type: Fixed mount Activation Method: Automatic with manual backup Extinguishing Agent: 3M Novec 1230 Fire Type Rating: B Valve Material: Brass Mounting Bracket Included: Yes USCG Approval: Yes Warranty: Three years