PD-Tip* syringe tips are premium positive displacement tips for the HandyStep* and other repetitive pipettes. They are made from high quality polypropylene and high-density polyethylene in close tolerance molds for sealing without lubricants or other additives. PD-Tips are available both non-sterile and sterile endotoxin-free, and are compatible with standard repetitive pipettes. Large volume (25 and 50 ml) tips are provided with one free autoclavable adapter. Sterile PD-Tips are individually wrapped.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.