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Support Rings

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VWR supplies retort rings for the support of funnels, flasks, test tubes, and burettes in retort stands. Open rings allow easy removal of sample containers and feature PVC-coated aluminum construction to prevent scratching of glassware. Cast iron and wire rings with optional clamps are also available. Long extension arms provide easy connections to frames and stands and are sold in a variety of lengths and ring diameters. Holders to mount rings to stands and frames are also supplied at VWR.


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Supplier:  VWR International
Description:   Lightweight rings mount funnels, boiling flasks, and other irregular-shaped objects to lab frames.
Product available on GSA Advantage®
Supplier:  VWR International
Description:   Ideal for supporting funnels, round-bottom flasks, reaction vessels, and other apparatuses requiring lower support.
Product available on GSA Advantage®
Supplier:  Ace Glass
Description:   Open ring supports with long extension arms for supporting glassware from the bottom, such as separatory funnels and powder funnels
Product available on GSA Advantage® Small Business Enterprise
Supplier:  Ace Glass
Description:   Loosening rings are designed to assist in freeing frozen joints.
Product available on GSA Advantage® Small Business Enterprise
Supplier:  Chemglass
Description:   Solid ring with built in clamp for attachment directly to support rod
Small Business Enterprise
Supplier:  United Scientific Supplies
Description:   Steel rod, zinc-plated extension support rings. Rod diameter is 5/16". Overall length is 12" for all sizes.
Supplier:  Chemglass
Description:   PTFE support ring used to support round bottom flasks or cylindrical reaction vessels.
Small Business Enterprise
Supplier:  United Scientific Supplies
Description:   Cast iron, zinc-plated support ring with boss-head clamp and thumbscrew. Distance from support to center of ring is 4.5" for all sizes.
Call for Price
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.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-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 no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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