Gas Connector Kits include gas ball valve, coiled restraining device, stainless steel super-quick disconnect, braided, plastic-coated hose. Quick disconnects are fabricated from solid brass and have fusible link (thermal shut off) safety. Deluxe kits include (2) 90° street elbows; Super kits include (2) super-swivel connectors. FYI: Can be used with Natural or regulated LP gas systems. NSF, CSA, AGA, ANSI.