Ratiolab Stoppers 11–12 mm, Red, Pack of 1000​

Ratiolab Stoppers 11–12 mm in red are designed to provide a secure and tight seal for test tubes with diameters ranging from 11 to 12 mm. Manufactured from high-quality polyethylene (PE), these stoppers feature dual sealing rings that ensure leak-proof closure, preventing contamination and spillage. The red color facilitates easy identification and organization in laboratory settings.

Key Features:

• Brand: Ratiolab
• Material: Polyethylene (PE)
• Diameter Compatibility: 11–12 mm test tubes
• Seal: Dual sealing rings for enhanced leak prevention
• Color: Red for easy sample identification
• Packaging: Pack of 1000 stoppers
• Manufacturer Article Number: 35 14 90R

Ideal for laboratories requiring reliable and color-coded sealing solutions for test tubes.