ITEM NAME:Sensor Extension Connector O2 Oxygen Extender Spacer Adapter Fitting Eliminator M18 x 1.5 HHO O2 Oxygen Sensor Extender Adapter Fitting Eliminator Test Pipe Extension Spacer Bung SPECIFICATIONS.(M18 x 1.5 HHO O2 Oxygen Sensor Extender Adapter Fitting Eliminator Test Pipe Extension Spacer Bung. Item included: 1 x Oxygen Sensor Adapter. 4) Suitable for HHO System or a test pipe. 1) Hex head design, sized M18x1.5.
