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Flat bottom flasks for heated chemical reactions or distillations are offered at VWR. Borosilicate glass models feature heavy wall construction in an array of capacities. Select a short or long neck flask to suit your purpose. A reinforced standard taper (24/40) outer joint is offered for most models, however some options do feature other joint sizes. Some flat bottom flasks conform to ASTM requirements. Purchase items individually or in packs.

Flat bottom flasks for heated chemical reactions or distillations are offered at VWR. Borosilicate glass models feature heavy wall construction in an array of capacities. Select a short or long neck flask to suit your purpose. A reinforced standard taper (24/40) outer joint is offered for most models, however some options do feature other joint sizes. Some flat bottom flasks conform to ASTM requirements. Purchase items individually or in packs.


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Product Image-72460-040

Flask freeze dry 80ml bottom only

Catalog Number: (72460-040)
Supplier: Labconco
Description: Borosilicate glass. Fast-freeze flask, bottom, 80 ml. Freeze dry glassware.
Product Image-72460-048

Flask freeze dry 900ml bottom

Catalog Number: (72460-048)
Supplier: Labconco
Description: Borosilicate glass. Fast-freeze flask, bottom, 900 ml. Freeze dry glassware.

Product available on GSA Advantage®


Product Image-75841-038

Fast-Freeze Flask 300ml

Catalog Number: (75841-038)
Supplier: Labconco
Description: Fast-Freeze Flask, Material: Borosilicate, Color: Amber, Valve Size: 3/4, Flask bottom: 59.2mm, Tall: 145mm, With adapters to valve ports, It consists of a rubber top, glass bottom/a supply of filter paper, Withstands extreme temperatures, Size: 300ml
Product Image-75841-044

Fast-Freeze Flask 750ml

Catalog Number: (75841-044)
Supplier: Labconco
Description: Fast-Freeze Flask, Material: Borosilicate, Color: Amber, Valve Size: 3/4, Flask bottom: 90.2mm, Tall: 162mm, With adapters to valve ports, It consists of a rubber top, glass bottom/a supply of filter paper, Withstands extreme temperatures, Size: 750ml
Product Image-72460-042

Flask freeze dry 120ml bottom

Catalog Number: (72460-042)
Supplier: Labconco
Description: Borosilicate glass. Fast-freeze flask, bottom, 120 ml. Freeze dry glassware.

Product available on GSA Advantage®


Product Image-26675-487

Fast Freeze* Adapter

Catalog Number: (26675-487)
Supplier: Labconco
Description: 45[degree] adapter, borosilicate glass. 1.9cm to 1.27cm or 1.27cm to 1.9cm diameter valve. Attaches to Fast-Freeze flasks for connection to valve ports on drying chambers or manifolds for freeze dry systems.

Product available on GSA Advantage®


Product Image-26675-261

Fast-Freeze* Flask

Catalog Number: (26675-261)
Supplier: Labconco
Description: 150mL. Flask Top Adapter Diameter: 1.9cm. Eliminates risk of contamination and reduces spillage. Has borosilicate glass bottom and silicone rubber top. Uniform glass walls maximize heat transfer. Wide mouth design. Supplied with 100 filter papers. Adapters sold separately.

Product available on GSA Advantage®


Product Image-26675-443

Fast Freeze* Adapter

Catalog Number: (26675-443)
Supplier: Labconco
Description: 45[degree] adapter, borosilicate glass. 1.9cm to 1.9cm diameter valve. Attaches to Fast-Freeze flasks for connection to valve ports on drying chambers or manifolds for freeze dry systems.

Product available on GSA Advantage®


Product Image-10148-032

Flask Bottom

Catalog Number: (10148-032)
Supplier: Labconco
Description: Fast-Freeze Flask Bottom, Borosilicate glass bottom withstands extreme temperatures and high vacuum. Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds, Compatible with any brand freeze dryer with 1/2inch or 3/4inch diameter valve ports
Product Image-26675-230

Flask, fast freeze bottom 600ml

Catalog Number: (26675-230)
Supplier: Labconco
Description: Borosilicate glass. Fast-freeze flask, bottom, 600 ml. Freeze dry glassware.

Product available on GSA Advantage®


Product Image-75841-046

Fast-Freeze Flask bottom 300ml

Catalog Number: (75841-046)
Supplier: Labconco
Description: Fast-Freeze Flask bottom, Material: Borosilicate, Color: Amber, Valve Size: 3/4, Flask bottom: 90.2mm, Tall: 162mm, With adapters to valve ports, It consists of a rubber top, glass bottom/a supply of filter paper, Size: 300ml
Product Image-26675-341

Fast-Freeze* Flask

Catalog Number: (26675-341)
Supplier: Labconco
Description: 2000mL. Flask Top Adapter Diameter: 1.9cm. Eliminates risk of contamination and reduces spillage. Has borosilicate glass bottom and silicone rubber top. Uniform glass walls maximize heat transfer. Wide mouth design. Supplied with 100 filter papers. Adapters sold separately.

Product available on GSA Advantage®


Product Image-26675-512

Fast Freeze* Adapter

Catalog Number: (26675-512)
Supplier: Labconco
Description: 45[degree] adapter, stainless steel. 1.9cm to 1.9cm diameter valve. Attaches to Fast-Freeze flasks for connection to valve ports on drying chambers or manifolds for freeze dry systems.

Product available on GSA Advantage®


Product Image-75841-048

Fast-Freeze Flask bottom 750ml

Catalog Number: (75841-048)
Supplier: Labconco
Description: Fast-Freeze Flask bottom, Material: Borosilicate, Color: Amber, Valve Size: 3/4, Flask bottom: 90.2mm, Tall: 162mm, With adapters to valve ports, It consists of a rubber top, glass bottom/a supply of filter paper, Size: 750ml
Product Image-89187-294

Small Flask Holder For Freezone Freeze Dry Systems

Catalog Number: (89187-294)
Supplier: Labconco
Description: Allows small samples to be freeze dried without melt back by vacuum insulating the sample from the surrounding room atmosphere. Compatible with 40ml and 80 ml inner flasks and 750ml and 900ml outer flasks.

Product available on GSA Advantage®


Product Image-26675-396

Fast Freeze* Adapter

Catalog Number: (26675-396)
Supplier: Labconco
Description: Straight adapter, stainless steel. 1.9cm to 1.9cm diameter valve. Attaches to Fast-Freeze flasks for connection to valve ports on drying chambers or manifolds for freeze dry systems.

Product available on GSA Advantage®


Inquire 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.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

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:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
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 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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