Rubber Filter Flask Sleeves – Set of 7

These natural rubber filter flask sleeves provide a firm, cushioned connection between Büchner funnels and filter flasks during vacuum filtration. The stepped set of seven sizes allows different funnel and flask combinations to be connected without direct glass-to-glass contact.

Key Features

• Natural rubber sleeves for vacuum filtration setups
• Help provide a firm seal between funnel and filter flask
• Cushion the connection and help prevent direct glass-to-glass contact
• Seven different sizes accommodate a range of funnel and flask openings
• Useful alternative to individual rubber bungs where different sizes are regularly required

Specifications

• Material: Natural rubber
• Set Contents: 7 sleeves of different sizes
• Size Range: Approx. 11 mm bottom / 22 mm top to 57 mm bottom / 81 mm top diameter

Applications

• Vacuum filtration
• Büchner funnel and filter flask connections
• School, tertiary and general laboratory filtration