The air-operated aspirators-suction drainers are used for the recovery of the exhausted oil by fall with tank (14 l),that can be put on the floor or lifted on lifts for vehicles. This operation can be done also through aspiration, after depressurization they work autonomously, without the need to be connected to compressed air, for an independent and quick aspiration, using the suitable probe between the included kit of 10 probes. The units can suction till 2/3 of their capacity. The pre-chamber permits the immediate control of quantity and quality of the aspirated oil, it is equipped with a device for the internal cleaning. Change the oil at a temperature of 60°- 80°C (when the engine is just switched off). Warning: do not use these units for the suction of brake oils, fuels and inflammable liquids