Woulff bottles, DURAN^®, bottle-shaped

-With reinforced walls, for work under vacuum
-Plastic coating to act as a splinter and implosion protection
-A glass insert is fitted with removable PP tubing connections Ø 11 mm
-Vent valve head
-Analogue pressure gauge with 2 scale ranges (1000 to 0mbar, 760mm to 0mm Hg)