The Brinkmann B-169 Water Aspirator in an economical alternative to tap water aspirators. Flow rate of 15 L/min. and an ultimate vacuum of 20 mbar; provides two independent vacuum ports. The 10 L reservoir volume can be recirculated to create vacuum-conserves water. Polypropylene reservoir resists corrosive vapors. Prevents corrosive vapors from traveling down the drain-protects the environment.