ASPIRATOR BOTTLE, GLASS, GRADUATED, HOSE OUTLET With permanent white graduations. Useful as a reservoir for fermentation work or as a large scale animal feeder. Bottle has a reinforced tooled top to accept rubber stopper. Glass hose connection outlet is fused to the bottle. Hose connection has an O.D. of 9mm at the largest serration. To close the tube, latex tubing and hosecock.