AGV-400 Little Firefighter 4" Earthquake Horizontal Valve 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.  When safety counts, depend on Firefighter Gas Safety Products. Complies With All State, City, & Laboratory Testing RequirementsMost Compact State-of-the-Art DesignBest Flow On The MarketAutomatically Shuts-Off Gas When Triggered by a 5.4 Magnitude Seismic Event Manual Reset Available On Both SidesEndorsed By the Los Angeles Area PHCC