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Featured Products

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Green Thermoset Screw Caps, Fluoropolymer Resin Liner, Qorpak* $1,326.73 $1,087.92 Ideal for containment of organic chemicals and solvents, high concentrates of acids and caustics, and water samples. Foam-backed fluoropolymer resin l

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Black Phenolic Screw Caps, Pulp/Tinfoil Liner, Qorpak* $622.79 $510.69 For narrow and wide mouth bottles. Provide a wide range of chemical compatibility and are temperature tolerant.

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Black Phenolic Screw Caps, Polyethylene Liner, Qorpak* $662.65 $472.83 Provide a wide range of chemical compatibility and are temperature tolerant. With polyethylene liners.

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Polypropylene Screw Closures, NALGENE* $35.72 Linerless closures are for use only with NALGENE narrow- and wide-mouth bottles and Erlenmeyer flasks. Autoclavable. Available in natural and amber. 
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Polypropylene Filling/Venting Closures, NALGENE* $258.99 Polypropylene closures for aseptic liquid transfer of media, biological reagents, pure water, and chemicals. Frequently used to feed or receive from b

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Black Phenolic Screw Caps, Pulp/Vinyl Liner, Qorpak* $620.24 $465.18 For narrow and wide mouth bottles. Provide a wide range of chemical compatibility and are temperature tolerant.

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Black Phenolic Screw Caps, Poly-Seal* Liner, Qorpak* $493.41 $404.60 Black phenolic cap has a polyethylene cone liner, which molds itself around sealing areas of the finish as the cap is screwed on. Liner is secured to

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