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.