Red Reaper Counter Flow Chiller (PEX / Copper) 9.5mm duotight compatibleAvailable with or without connections in various options. The versions with fittings all have: 2x male hose fittings and push fit ball valve connectors. This will allow connection of a garden hose for the water cooling part standard male hoselock style connections in and out. The wort in and out are where the versions are different see photos for what is included with each option: Camlock Option This is the version that Kegland shows on its video the