5Pcs Pipette Rubber Bulb Dropper Rubber Caps Laboratory Suction Ball,Pear Shaped Fit for 1ml 3ml 5ml 10ml 15ml 20ml Pipettor
【High quality Dropper Rubber Bulb】material: rubber, non-toxic and odorless.
【Perfect size】Hole Inner Dia : 6mm/0.23".
【Flexible & easy to use】Suitable for all kinds of graduated tube, droppers, pipet, transfer pipette, etc.Contoured shape and heavy-wall neck increase grip for easier use with pipets and syringes.
【Package Content 】5 x Blue Dropper Rubber Bulb.
【Provide for professionals】Great for chemical experiments,school teaching, handmade soap DIY.
Globe Scientific 136020-500 LDPE Narrow Stem Transfer Pipet, Non-Sterile, Short Stem, 85mm Length, 4.0mL Capacity (Box of 500)
Non-toxic and chemically inert to biological fluids and most acids..
Can be heat sealed to use for liquid storage or transport..
Pipets can be frozen in liquid nitrogen..
Produced from a custom grade of low-density polyethylene (LDPE) to make them non-slippery. This makes Globe Scientific pipets easy to grip with gloves..