Bag of 5 15mm x 3/8" Compression Female Adapter (Available in 8mm, 10mm, 12mm, 15mm, 22mm, 28mm, 35mm, 42mm, 54mm, 1/4 inch, 3/8 1/2 3/4 1 2 inch BSP)

IMPORTANT SIZING NOTE - Most plumbing products are measured using BSP thread dimensions which measure 1/4 inch larger than that stated, therefore this 3/8 Inch BSP thread actually measures 5/8 Inch in diameter. If your thread measures 3/8 Inch in diameter then you require the 1/8 Inch version of this product This listing is for a Pack of 5 Built from heavy-duty forged brass the mechanical olive-and-thread combination withstands high mains water pressure, central heating expansion cycles, and mechanical strain far better than push-fit plastic alternatives. Allows unthreaded copper or plastic pipe to connect directly into male threaded components—such as radiator valves, boiler connections, pumps, water meters, and tap tails—without needing to solder or alter the pipe end. WRAS Approved