About this item 2 x AN4 male tee fitting with 4AN female swivel on run Forged 6061 T6 aluminium construction with a corrosion resistant double andodised finish Precision machined to exacting tolerances for trouble-free performance A female AN swivel on run and two male AN ports and provides maximum fluid flow AN4 tee fitting can work with oil, fuel, e85, water, fluid, coolant and air