These natural rubber pipette fillers are made out of 100% natural rubber with three stainless steel ball valves.

• A volume of 100 ml is attainable with repeated evacuation
• With a simple three-step process, one can eliminate dangerous mouth pipetting

For use with pipettes of 1 to 45 ml capacity and 4 to 8 mm outside diameter.

Pipette fillers do away with the frequently hazardous practice of drawing liquids into pipettes by mouth. They work safely with toxic, infectious, odoriferous, radioactive, corrosive, or sterile liquids. Also useful for skimming off liquids floating above a chemical precipitate or sediment.