Gomco OptiVac Portable Aspirator - RefurbishedThe Gomco OptiVac is an AC DC general use portable aspirator. This aspirator generates up to 550 mm Hg of vacuum pressure and a flow rate in excess of 30 lpm at open flow. The rugged go anywhere capability of the OptiVac makes it perfectly suited to handle emergency situations. Key Features * 3 hours run time at maximum vacuum on a fully charged battery * 1 hour run time after just 2 hours of charging * Will run at full performance on AC power even