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We manufacture and distribute fine chemicals and laboratory
products - with quality and delivery you can count on every time.
Spectrum offers laboratory grade Plastic Stopcocks from the industry’s leading manufacturers including Bel-Art, Nalgene, Wheaton and many others. Whether you require a 3 way Polypropylene Stopcock or Stopcocks with Teflon Plugs, Spectrum has the Plastic Stopcock for you.