These machined alloy take offs have a 3/8 BSP male thread and are designed to screw into the Revotec aluminium hose adaptor to convert them into a t piece.
Revotec Hose Adaptor Take Off - 8mm Outer Diameter
Revotec Hose Adaptor Take Off - 25mm Outer Diameter
Revotec Aluminium Hose Adaptor - 25mm Outer Diameter 1/8 NPT Take Off, Silver
Revotec Aluminium Hose Adaptor - 30mm Outer Diameter 3/8 BSP Take Off, Silver
Revotec Aluminium Hose Adaptor - 32mm Outer Diameter 1/8 NPT Take Off, Silver
Revotec Aluminium Hose Adaptor - 35mm Outer Diameter 3/8 BSP Take Off, Silver