WHB 10ml Serological Plastic Pipette is made of polystyrene, one-time molding. ... pipette WHB-5 Blue gamma sterilized Single wrapped,1800/ctn 10ml serological pipette WHB-10 Red gamma sterilized Single wrapped,1200 ... WHB-50SP Black gamma sterilized Single wrapped, 600/ctn .... WHB 10ml Disposable Serological Plastic Pipette