1Excellent PP Plastic Material: This pipette tip is made of excellent PP plastic material, which is sturdy and abrasion resistant, easy to observe the liquid flow and convenient for dosage control. 2High Transparency: This liquid pipettor filter tip has a high degree of transparency design, which makes it easy to observe the flow of liquids for dose control and is very practical to use. 3Good Airtightness: This plastic universal pipette tip has a perfect airtight sealing to minimize liquid volume loss and maximize accuracy during manual or electronic pipetting., very useful. 4Good Compatibility: This pipette filter tip has good compatibility and is very practical for use with a wide range of pipettes, such as for Eppendorf, for Biohit, for Gilson, for Thermo, and so on. 5Wide Application: This liquid pipette tip has a wide range of applications and can be used in chemical laboratories, biomedical research, pharmaceutical industry and other fields. 500 x Pipette Tips (With Filter)