Pipetting results in aerosols that have the risk of cross-contamination. The filter tips are fitted having a filter to stay away from the development of aerosols. A serological pipette is usually a kind of graduated pipette useful for transferring liquid in milliliter volumes and is decided by its graduation marks https://emilioyjouz.thekatyblog.com/28640964/getting-my-types-of-serologic-pipette-to-work