3.3 Boro GlassTemperature Resistant: 560 d c100ml capacityDiameter of hose: 9mmHeight: 120mmA filter flask, also known as a Buchner or Vacuum Flask is, a thick-walled Erlenmeyer flask with a short glass tube protruding from its neck. Used in filtration or distillation.stopper to suit: LW5177-01 :STOPPER-RUBBER,SOLID,# 10 33x30x27mm (TxLxB)