All Photos(2)



DURAN® Bottle Top Vacuum Filter Funnels

capacity 500 mL, thread for GL 45, polyethersulfone membrane, pore size 0.45 μm, filter diam. 90 mm, sterile

Sign Into View Organizational & Contract Pricing



polyethersulfone membrane




pack of 12 ea


DURAN® 292702842


500 mL


90 mm

filter diam.

90 mm

pore size

0.45 μm pore size


thread for GL 45

Looking for similar products? Visit Product Comparison Guide

General description

Designed for sterilization or clarification of aqueous cell culture media. Supplied as a filter funnel only unit for use with the Duran TILT (with GL 45 thread adaptor) or 45 mm media bottles. Comes in three different asymmetric pore sizes (0.1 um, 0.2 um, 0.45 um). Raised molded graduation marks for easy volume reading. Manufactured in a clean room form non-cytotoxic materials. Supplied sterile.

Other Notes

Requires Z742267use with DURAN TILT media bottles.

Legal Information

DURAN is a registered trademark of DWK Life Sciences

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).


Product Number
Pack Size/Quantity

Additional examples:





enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 2

1 of 2

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service