The Copperman Copcal Capillary Unequal Tee is a -grade copper plumbing fitting engineered to create a secure, reliable three-way junction while enlarging a specific branch line within copper piping networks. Featuring precision-formed copper-to-copper solder sockets on all three ends, it utilizes a capillary action mechanism that draws in molten solder when heated with a plumbing torch and flux, ensuring a perfectly uniform, leak-proof bond. Built to withstand high hydraulic pressures and intense thermal stress, this durable increasing T-piece is ideal for branching off a 15mm main line up to a 22mm feed line in hot and cold residential water infrastructure, commercial installations, and demanding industrial pipeline layouts. Item Size: 15mm x 15mm x 22mm | Pack Size: 1 Unit