Polypropylene, heavy-walled Mason jars for large samples or storage. Ideal for industrial waste sampling and long-term storage. They have standard 70 mm G-threaded necks and polypropylene screw closures with unique grip lugs and a removable leakproof seal ring. Autoclavable.
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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.