These non-filtered Daigger Avitrolab Pipette Tips are manufactured for reliability and precision. They have a universal fit and accommodate the most popular pipettes on the market including LabGenius, Finnpipette, Pipetman Hamilton, Matrix, Oxford Benchmate, Rainin, Biohit, Transferpette and Eppendorf. All tips are certified RNase-, DNase-, RNA/DNA- and pyrogen-free, and pre-sterilized tips are electron beam irradiated to 10-3 SAL to eliminate sample contamination.