Plastic Bottles , 30ml/1 oz Liquid , Red 20PC 3mmX4mm which made them hardly noticeable

which made them hardly noticeable and prevents shelf wobble

Not just for test tubes

It is a solution for sealing applications where there are high temperatures and insulation or gases involved

For models from 2010 and above

1 x Barbed Elbow Hose Fitting

Plastic Bottles , 30ml/1 oz Liquid , Red 20PC 3mmX4mm which made them hardly noticeableSpecifications: Capacity: 30ml 1 oz Material: PE (Polyethylene) Color: Red Diameter: 31mm Total Height: 71mm Package Content: 20 x Plastic Dropper Bottles Applications: Designed for travel and can be used to dispense and store most liquids. Great for solvents, light oils, glue, paint, essence, saline, alcoholetc. Dropper can be well controlled liquid dripping, the small needle tip can control the flow of liquid easily, can be removable when you do not