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24/40 DRIERITE®-filled stoppers with a refillable chamber to keep the contents of your round-bottom and Erlenmeyer Flasks dry.

Dry-Tops are custom stoppers (for 24/40 neck flasks) with a refillable inner chamber housing DRIERITE®. This enables both temporary and long-term storage in an anhydrous environment without requiring a desiccator. Dry-Tops feature a vapor-permeable and chemically resistant membrane to ensure the desiccant will never contaminate your sample. Think of these as inexpensive and portable desiccators that fit into the glassware you already use!

Dry Top Dry Top Dry Top Dry Top Dry Top in a flask

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A translucent stopper body allows the user to monitor indicating DRIERITE® color changes (blue to pink) for constant visual assurance of active desiccant.

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  • Keep reagents and samples dry - in flasks, vials, and bottles
  • Dry-Tops fit standard 24/40 joints
  • Prioritizes sample integrity using chemically resistant materials
  • TRANSLUCENT - monitor desiccant by color change
  • CHEMICALLY and THERMALLY RESISTANT - fluoropolymer body and membrane
  • REFILLABLE and CLEANABLE - Easily refill indicating desiccant via screw cap; stopper can be cleaned with detergent or solvent

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Construction:
Dry-Tops are highly chemically resistant and composed of FEP (fluorinated ethylene propylene) plastic. Inert, vapor permeable, membrane (1 Micron PTFE filters) ensure that the desiccant never contaminates your sample.
Connections:
Fits standard 24/40 joints.
Desiccant:
6.5 grams of Indicating DRIERITE®
Water capacity:
650 milligrams
Stock No.
Photo
Description
Price
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Stock No.
26960
Small picture of 26960
Small picture of 26960 Dry-Top 24/40, indicating DRIERITE®-filled stopper
Price
$55.00
Order
Stock No.
Photo
Replacement Indicating DRIERETE® for Dry-Tops
Price
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Stock No.
24001
Small picture of 21001
Small picture of 21001 Indicating DRIERITE® 10-20 mesh
Price
$16.20
Order
 
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