Alla 3-valve rubber pipette bulb, dia. 3-11mm

Introduction to Alla 3-valve rubber pipette bulb

Alla 3-way rubber pipette filler (code 90000-002-ca) is an accessory for liquid pipetting and dispensing in laboratories. Manufactured by Alla (France), it is made from rubber and designed to fit tubes with diameters from 3 mm to 11 mm. This device enables safe sampling control, minimizing the risk of chemical contact.

Outstanding features

• A 3-valve control system sequentially supports operations: air evacuation, liquid aspiration, and liquid dispensing.
• Made of high-elasticity rubber, offering smooth squeezing action and an airtight seal when attached to pipettes.
• Flexibly compatible with various pipettes with outer diameters from 3 mm to 11 mm.
• Genuine Alla (France) product with Cat. No. 90000-002-ca, ensuring quality and consistency during use.

Applications

• Aspirating, measuring, and transferring liquid samples in combination with volumetric or graduated pipettes.
• Used in chemical, biological, pharmaceutical, and environmental analytical laboratories.
• Equipped for teaching and research activities in institutes and universities.

Frequently Asked Questions

Which types of pipettes does this product fit?
The Alla pipette filler code 90000-002-ca fits pipettes with a stem diameter of 3 mm to 11 mm.

What are the benefits of the 3-valve mechanism during operation?
The 3-valve mechanism allows users to actively control evacuation, liquid aspiration, and controlled dispensing without removing the bulb from the pipette.