Scienceware® Pinch/Bobbitt Valves for Aspirating Bottles
By Bel Art Products
Outfitted with a convenient on/off valve for use in dispensing from aspirator bottles. Just squeeze and hold the soft center of the valve to begin flow; release it to suspend flow. Made of silicone rubber and polypropylene, the internal surfaces are coated with a fluorocarbon resin for maximum chemical resistance. Steam autoclavable at 121°C (250°F). 4 per case.