These unjacketed cylindrical reaction flask are made of heavy wall borosilicate glass and include a bottom outlet valve

Reactor accessories including Flat Flange Couplings, Flat Flange PTFE Gaskets, Bottom Outlet Valves, Beaded Pipe Couplings for Valves, Spherical Joint Adapters for Valves, and Spherical Joint O-Rings are sold separately.

Each flask has high visibility capacity reference graduations for easy viewing. They can be used standalone or with bottom opening heating mantles. Available with Schott-Duran O-ring groove or KF Plane flat ground flanges. as well as a variety of drain valve styles to select from.