KIMAX funnel is supplied with a closed-bottom linear, high-density polyethylene stopper to fit in the ground neck, and polytetrafluoroethylene stopcock. Lower stems have an I.D. large enough that a column of liquid will "break" with the stopcock closed, thereby giving a more complete…

Supplied with a round glass stopper and a PTFE stopcock plug Lower stems have an i.d. that allows for more complete seperation and eliminates the necessity of emptying the funnel