We are offering of Serological Pipettes. Manufactured from a single piece of high-grade Polystyrene- no welding at all which ensures that no liquid can be trapped at such locations. Non- pyrogenic, Non-cytotoxic, Non-Hemolytic Negative graduation provides additional volume Insertion of a plug into the top end prevents liquid from penetrating pipettors Colour-coding system makes identifying the pipette volume quick and easy.