A set of 5 different sized straight AdBlue® fuel line quick connectors allowing for tight connections on fuel line inner diameters of 6mm & 8mm. Quick connectors are designed for the automotive industry for the transfer of fuel, oil, water cooling systems and air. The self locking connector enables it to be connected & disconnected with ease and speed, with the wide operating temperature range ensures it can cope with the extreme temperatures that could lead to cracking and leaks. To ease the fitting of the hard plastic fuel pipe to the connectors, use Laser Tools Pipe Connector Insertion Tool, Part No. 6933. Straight connectors for AdBlue®, sizes: 9.49 x 6mm, 7.89 x 6mm, 6.3 x 6mm, 9.49 x 8mm, 7.89 x 8mm.Constant running pressure: 7 bar (101psi); max pressure: 9 bar (130psi). Operating temperature: -40°C to 70°C. Body manufactured from nylon PA12; O-ring from EPDM seal. Made to SAE J2044-2009 standards. Red tab for AdBlue® identification (note: standard fuel connectors have grey tabs).