About this item

• 30 ml Calibrated Dust Balls: stonylab rubber dust balls facilitate meticulous volumetric measurements and transfers, with a calibrated 30 ml capacity for exact liquid handling
• Resilient Rubber Build: crafted from supple rubber, these bulbs bounce back to shape after compression and are designed to last through many uses in lab settings
• Multi-Pack for Lab Efficiency: the set includes three rubber blow pumps, making it easy to dedicate each one to different tasks or solutions, enhancing lab productivity
• Operational Advisory: for optimal performance, users should avoid over-compression to prevent the unintended intake of liquids into the bulb's interior