Twin-O-Vac Suction Low Vacuum with Gauge is a low cost versatile unit that is ideal when extra or portable sources of oxygen or suction are required. Each Twin O Vac uses one oxygen outlet (ie. An oxygen pipeline wall point or cylinder regulator) to provide variable suction plus two separate sources of oxygen. All three outlets can be used simultaneously on up to three different patients if necessary. The Twin O Vac can be connected or linked to an assortment of equipment including resuscitators, flowmeters, infant warmers and humidifiers. Great portable resusciation device.