Bi-directional pump for suction & pumping. Supplied with 3m of tubing. - Use to prime oil lines & purge all types of de-aeration devices & oil lifters. - Removes fuel pipe air locks, fuel pipe debris, contamination & pipe blockages. - Liquid & debris are discharged directly into the 6 litre vessel ensuring pump mechanism remains clean & undamaged. - Tube connector for GOK GS2000 & GS Pro Fi3 De-aerator. - For use with kerosene, gas oil, diesel & biofuels.