The SRRTF-1515D Solder Ring Tee Female Iron is a high-quality copper fitting with a lead-free solder bead, designed for creating secure branch connections with a 1/2" female iron thread. Ideal for hot and cold water and central heating systems, this 15mm x 15mm x 1/2" tee ensures strong, reliable, and leak-free joints for UK domestic and commercial plumbing.