Funnel Jointed, Borosilicate 3.3, 75mm
Jointed funnels are a type of funnel manufactured with a ground glass joint for connection to laboratory apparatus. Jointed funnels are used when external material must be added to a glass chemistry system.
Lab glass funnels are manufactured in a variety of styles. A common type is the filter funnel, which is used with filter paper to separate particles from liquid. Powder funnels have wide necks to facilitate the pouring of powder.