Filter Flask Sleeves Set of 7

This set of natural rubber filter flask sleeves is designed to provide a clean, firm seal between funnels, vacuum filters, and glass filter flasks. The sleeves help prevent direct glass-to-glass contact and add cushioning during vacuum filtration.

Key Features

• Natural rubber sleeves for safer, cushioned connections to filter flasks
• Help create a firm vacuum-tight seal between funnel and flask
• Reduce the risk of chipping by avoiding direct glass-to-glass contact
• Set of seven sleeves to fit a wide range of flask and funnel sizes

Specifications

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