1000uL non-filtered micropipette tips are compatible with most universal research grade pipettors, but are not compatible with Rainin LTS pipettors. Safe and Clean Polypropylene tips manufactured in cleanrooms with highest standard that are free of detectable human DNA, DNase, RNase and pyrogens; All bags are zipper sealed and sterilized. Low-binding tips with the perfect air tight seal to minimize liquid volume loss and maximize precision during aspiration with manual or electronic pipettes. Reduced adhesion of liquid to plastic pipette tips to improve accuracy during use, whether it is in a laboratory or at home experiment. Autoclavable Pipettes Tips can withstand temperature range of upto 121 C with no deformation and change in original material structure.