Ace Glass 6441-04 Scale-Up Series Jacketed Cylindrical Flask with 60 mm Duran Flange, Easy Drain Valve, NW 10 Inlet/Outlet Connection, 250 mL

Cylindrical flasks with easy drain valve. Graduated on both sides, allowing for either left or right-hand flask orientation. The easy drain valve is designed to prevent accidental removal when opening, and incorporates a compression tube angled side arm for maximum unobstructed drainage.