10 Pack Niikappu 1/2" C x 1/2" MNPT Copper Female Adapter Fittings, LF Copper Plumbing Fittings with Sweat Solder Connection for Residential,Commercial

["Fits All Major Copper Tubing Types (M, L, K) - Versatile for use in residential, commercial, plumbing, HVAC, refrigeration, and medical gas systems.","Safe & Certified - Made from LF copper with NSF-61 certification. Safe for drinking water, featuring a smooth, burr-free finish.","Engineered for a Permanent, Leak-Free Seal - Precision-machined for reliable soldered connections that provide long-term durability and system integrity.","Package List - 10 Pack Niikappu 1/2\" C x 1/2\" MNPT Copper Male Adapter Fittings are included in the copper fittings package.","Tips - Please confirm the thread size carefully before purchasing. Welding required for installation."]