AGV-300 Firefighter Industrial Size AGV Firefighter Gas Safety Valves These industrial sized AGV-series valves are milled from solid aluminum and are specifically made for industry. Our gas valves meet or exceed the requirements of the City of Los Angeles, and are laboratory tested and certified.Complies With All State, City, & Laboratory Testing RequirementsMost Compact State-of-the-Art DesignBest Flow On The Market30-Year Limited warranty (see Installation Instructions page for details)Automatically Shuts-Off Gas When Triggered by a 5.4 Magnitude Seismic EventManual Reset Available On Both SidesEndorsed By the Los Angeles Area PHCC