This pipette tip from Hamilton is available in two families with a number of formats and preferences. This unit may be obtained as standard, non-filter, elongated, hydrophobic, non-sterile, sterilized, and macrovolume items. It can also be supplied in bulk resealables, lift-off racks, and stackable racks. This product line is engineered to be chemically resistant, having been made from polypropylene that produces clear and smooth surfaces. Moreover, all AdvanTip products are free from harmful materials for safe operations.