This set of flask adapters is ideal for science classrooms and laboratories, helping teachers and students securely fit Buchner and fritted glass funnels to a range of flasks. Designed for practical chemistry lessons, these adapters support safe and efficient filtration experiments across secondary and college settings.

• Contains 7 neoprene rubber adapters, autoclavable for easy sterilisation

• Sizes range to fit various funnel and flask combinations

• Can be used individually or nested for a precise fit

• Durable and reusable, suitable for repeated laboratory use

• Internal Diameters for the top and bottom of the adaptors are as follows:

  • Top: 17mm, Bottom: 7mm (2mm wall)

  • Top: 22mm, Bottom: 11mm (2.5mm wall)

  • Top: 31mm, Bottom: 16mm (3mm wall)

  • Top: 39mm, Bottom: 22mm (3.5mm wall)

  • Top: 50mm, Bottom: 30mm (4mm wall)

  • Top: 60mm, Bottom: 36mm (4.5mm wall)

  • Top: 75mm, Bottom: 46mm (5.5mm wall)