Heathrow Scientific HD206373B Polyethylene Plastic 3mL 20 Wrap Sterile Disposable Transfer Pipette, 155mm Length, 0.5mL Graduation Interval (Pack of 500) These one-piece Unbreakable polyethylene plastic pipette Well-suited for blood banking urinalysis, hematology, wet chemistry, microbiology and serology Lot-to-lot traceability on sterile versions of the transfer pipettes 7 Milliliters overall volume