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Supplier: VWR International
Description: C-shaped lead ring flask weights are coated with green Vikem® vinyl to protect glassware.
Supplier: VWR International
Description: Protect and stabilize expensive glassware with Vikem® vinyl-coated lead rings.
Supplier: Bel-Art Products, a Part of SP
Description: These rings fit neatly around the neck of filtering flasks with side-arm tubing connections without disconnecting the tubing.

Catalog Number: (470005-492)
Supplier: Heathrow Scientific
Description: Vinyl Coated as Not to Scratch Bench Tops or Glassware.


Supplier: Bel-Art Products, a Part of SP
Description: Weighted holder grips beakers or flasks firmly with four flared stainless steel prongs.

Supplier: Bel-Art Products, a Part of SP
Description: Vikem® vinyl-coated lead rings stabilize glassware immersed in water baths thereby reducing floating, breakage, and chemical spills.

Supplier: Bel-Art Products, a Part of SP
Description: These lead weights can be coiled into a helix, spiral, cone or any irregular shape to stabilize vessels in a water bath.

Supplier: Antyila Scientific
Description: Perfect for stabilizing glassware and laboratory containers.

Catalog Number: (77395-448)
Supplier: Heathrow Scientific
Description: Stabilize vessels and labware on the bench or in water baths.


Supplier: Thermo Fisher Scientific
Description: Flasks are lighter in weight than glass and break resistant to protect against leakage and contamination

Supplier: Electron Microscopy Sciences
Description: This weighted holder grips the beaker or flask firmly in four flared stainless steel prongs

Minority or Woman-Owned Business Enterprise

Supplier: Thermo Fisher Scientific
Description: Transparent polymethylpentene flasks are lighter in weight than glass and break resistant to protect against leakage and contamination

Catalog Number: (47750-924)
Supplier: Bel-Art Products, a Part of SP
Description: Wire formed, epoxy-coated holder keeps lead ring weights organized and handy.


Supplier: Chemglass
Description: Dewar flask with weighted metal base for stability and protective plastic mesh cover providing a firm grip and a cushion in the event the flask is bumped

Small Business Enterprise

Supplier: Kemtech America
Description: Synthware Dewar flask with weighted metal base for stability and a full length aluminum housing which extends to the top rim for added protection.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Catalog Number: (89402-922)
Supplier: GRANT USA INC.
Description: The aspirator with trap flask FTA-1 with a 1L trap flask is designed for the aspiration or removal of any remaining alcohol or buffer from microtest tube walls during DNA/RNA purification and other macromolecule re-precipitation techniques


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is currently unavailable but limited stock may be available in our extended warehouse network. Please call 1-800-932-5000 and a VWR Customer Service Representative will help you.
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