Description Digitech UAT Air Trap 180ML Bubble Free Turbine Operation NOTE! : if you have a 2 tank setup you MUST order an Extra Nipple, there is only one mounted!. 4mm Tubing Fill 6mm Tubing to Pump 8mm Tubing from Tank Length:  94mm (includes mounts) 114mm approx measurement with fittings Height:  69.1mm Diameter:  59.8mm