4pcs Brass Pipe Fitting NPT Coupler, 1/2" x 1/2" NPT Female Brass Pipe Coupler for Water Air Oil Gas Line System

["Package Content: You will receive 4 pieces of 1/2\" x 1/2\" standard NPT female thread brass pipe fitting couplers in the package. Enough for your uses and needs.","Durable Material: These pipe fittings are made of good quality brass, heat-resistant, durable, sturdy, wear-resistant, leak-proof, not prone to break, deform or damage. You can buy with confidence.","Wide Applications: Ideal for a variety of low to medium pressure systems, including air, oil, fuel, LPG, natural gas, refrigeration, water, instrumentation, hydraulic, and pneumatic setups. Perfect for industrial, workshop, and home use.","Specification: Maximum working pressure: 1200 PSI, working temperature range: -65°C to 250°C (-85°F to 482°F).","Note: NPT thread size refers to the nominal pipe diameter, not the actual diameter. Please check the diameter carefully before buying."]