100ul, filter tip, 96 tips/rack. 10 racks/pack Medical grade polypropylene material Smooth internal surface and uniform size Compatible with singel/multi-channel pipettes ISO 9001:2008 GMP standard, DNase/RNase free, non-pyrogenic Filter pipettetips can prevent aerosol pollution of the sample, this feature is particularly important in the PCR experiments, filter tips are E-beam presterilized, quality controlled by fully testing