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Vinyl-Coated Lead Rings

Stabilize flasks in baths and on the bench.

Manufacturer: fisher science education  F18308-2000

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Catalog No. S90140C

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Description & Specifications


Autoclavable No
Diameter (English) Inner 2.2 in.
Diameter (Metric) Inner 5.59cm
For Use With (Equipment) 500 to 2000mL Sidearm flasks without disconnecting tubing
Product Type Accessory
Weight (English) 1.5 lb.
Weight (Metric) 680g

  • Chemical-resistant, vinyl coating prevents glass damage and slippage
  • Multiple sizes and weights available for flasks up to 1.05 gal. (4L)
  • Position on sidearm flasks without disconnecting tubing
  • Adjust diameter to best fit flask or other vessel
  • Use to reduce breakage of glass cylinders by placing around base