Chemglass Graduated Addition Funnel with Glass Stopcock

Chemglass graduated addition funnels are cylindrical pressure-equalizing funnels designed for controlled addition of liquids in laboratory setups. They feature double-scale graduations, a 24/40 standard taper top outer joint and lower inner joint, a pressure-equalizing arm, and a 2 mm glass stopcock. The Econo Green product family is available in 25 mL and 60 mL capacities.