Kitset for Inline Cooler Installation, includes the following items:OKDF30/1 inline filter, DC: dual clip for securing inline cartridgeSV5: Plumbers Delight Take-off Valve (1/2" BSP)PRV: Pressure Reducing Valve A4HVUC4: Hand valve Union connector - 1/4" X 1/4"2 metres of 1/4" tubing. ..