Polypropylene plastic funnel has an inside diameter of 75mm at the top with a stem length of 40mm and is ribbed to prevent air locks. The standard stem has a 60 degree angle at the bottom and an outside diameter of 7mm. This funnel is the perfect size to be used with experiments involving Burettes.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.