Visit our FULL SITE to order Print or eTextbooks Heavy Duty 3 way valve is made from rubber. It allows safe control of filling and discharging liquids efficiently using one hand-operation. Filler fits standard size pipettes. Width : 5.90 cm Color : Red Length : 13.00 cm Material : Rubber Weight : 60.75 g Suction valve: 3.9cm, suction valve arm: 4.1cmAir release valve: 2.1cm