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15mm TO 12mm PIPE REDUCER: This 3-part compression reducing set steps 15mm copper pipe down to 12mm, giving a neat, leak-resistant joint for adapting pipework across domestic and trade plumbing systems. PACK OF 10 REDUCING SETS: Supplied as 10 complete reducing sets so you have plenty on hand for multiple connections, repairs and larger installs without reordering mid-job. 3-PART COMPRESSION DESIGN: Each set combines a brass reducer body, brass compression nut and copper olive - simply tighten to form a secure, reliable seal with no soldering or heat required. QUALITY BRASS BUILD: Made from durable, corrosion-resistant brass with a copper olive for a dependable long-life fitting suited to everyday copper pipe reduction and maintenance work. EASY, VERSATILE FIT: Quick to install with basic tools and ideal for a wide range of plumbing systems and repairs, making it a handy standby for plumbers, engineers and confident DIYers.