[Complete 1/2" Quick Connect Kit] This 4-piece set includes all essential connectors: 1/2" female quick connect x 1/2" female NPT, 1/2" male quick disconnect x 1/2" female NPT, 1/2" male quick disconnect x 1/2" male NPT, and 1/2" male NPT x 1/2" male NPT, covering most gas hook-up needs. [Compatible with Natural Gas and Propane Systems] Designed for both natural gas and low-pressure propane setups, this versatile quick connect kit is ideal for grills, patio heaters, RV gas lines, camping stoves, and outdoor fire pits, helping you build flexible, safe gas connections at home or on the road. [Built-In Auto-Shutoff Safety Feature] The quick disconnect fittings automatically shut off gas flow when disconnected, minimizing the risk of leaks and accidental gas discharge, giving you added peace of mind when changing hoses, storing equipment, or moving gas appliances between locations. [Durable 100% Solid Brass Construction] Made from heavy-duty solid brass, these natural gas and propane quick connect fittings resist rust, corrosion, and harsh weather conditions, maintaining a tight, reliable seal for long-term outdoor and indoor use, even in demanding grilling and camping environments. [Fast Connection with Protective Dust Cap] Engineered for simple, tool-free operation, the quick connect fittings allow you to connect or disconnect gas hoses in just seconds. The included dust cap keeps dirt, insects, and moisture out of the valve when not in use, helping extend the life of your gas system. Color: Yellow Material: Brass Package Contents: 4*connectors 1*PTFE tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.