Full Bore Lever Ball Valve Kit with Blue Cold and Red Hot Handle Sleeves 28mm Quarter Turn Isolating Stop Tap Compression Water Isolation Plumbing Set. This kit includes a quarter turn full bore lever ball valve, designed for efficient water isolation in plumbing systems. The valve features color-coded handle sleeves, with blue for cold water and red for hot water, making it easy to identify the supply line. The 28mm size is suitable for standard plumbing applications, and the full bore design ensures minimal flow restriction. This durable valve is ideal for general plumbing, maintenance, and new installations where reliable isolation is required.