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Catalog Number: (470110-928)
Supplier: Welch Vacuum
Description: Welch DuoSeal Two-stage Pump operates at a low rpm, runs cool, and reaches maximum vacuum with less back streaming.


Supplier: Welch Vacuum
Description: For hands-free operation of Welch* WOB-L*, DryFast*, DryFast Ultra* Dry Vacuum and Peristaltic Pumps. Made of durable black painted steel. Nonskid base and foot treadle pads ensure secure footing during repeated operations. Ready once plugged. 2.4m cord. 115V, 60Hz.

Product available on GSA Advantage®

Supplier: Welch Vacuum
Description: For coaxial trap 55009-138.

Supplier: Welch Vacuum
Description: Used to mate two different sizes of ISO flanges

Catalog Number: (470122-818)
Supplier: National Optical
Description: Replacement bulbs for the microscopes with built-in illuminators.


Supplier: Welch Vacuum
Description: Made of aluminum

Catalog Number: (89412-358)
Supplier: Welch Vacuum
Description: Affordable Model 2019 vacuum pump is durable and chemical resistant

Product available on GSA Advantage®


Catalog Number: (10836-010)
Supplier: Welch Vacuum
Description: Diagnostic vacuum gauge, is a rugged, portable vacuum measurement instrument designed specifically for the demands of field use.


Supplier: Welch Vacuum
Description: These oil-free pumps are ideal for basic lab operations.

Product available on GSA Advantage®

Supplier: Welch Vacuum
Description: Converts ISO NW connection to a hose fitting

Catalog Number: (470111-060)
Supplier: Wards
Description: Enlarged to twice life size, this model is dissectible into three parts for hands-on study.


Supplier: Welch Vacuum
Description: Red rubber tubing sold in 1.5m (5') lengths; clamps sold in packages of ten.

Product available on GSA Advantage®

Supplier: Welch Vacuum
Description: Corrosive gases, such as HCl, HBr, Br2, Cl2, and F3CCO2H, are commonly used for peptide chemistry, molecular biology, and biochemistry applications

Product available on GSA Advantage®

Supplier: Welch Vacuum
Description: A powerful alternative to house vacuum; minimizes cross contamination and is easily adapted as needs change.

Supplier: Welch Vacuum
Description: Extend Service Intervals through cooler running, larger oil capacity, and internal surface protection.

Irregular Voltage

Supplier: Welch Vacuum
Description: WelchNet is a powerful alternative to house vacuum; minimizes cross contamination and is easily adapted as needs change. Turrets interface between your vacuum application and rest of vacuum network.

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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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