VWR Glass Fiber Filters 28333-143 Grade 693, Pack of 100

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Whatman Glass Fiber Filters Grade 693 is a reliable and dependable addition to the Whatman Filters family of products. Combining top-notch and uncompromising quality with an affordable price, the Whatman Glass Fiber Filters Grade 693 28333-143/ 28333-143 can fulfill your laboratory needs while still offering a great value for the money.

Product Category Description:

Binder-free VWR glass fiber filters feature fast flow rates, high-loading capacity, wide thermal tolerance, and excellent precipitate retention. Available in three grades: Grade 691 is an ideal filter for radioimmunoassay of weak beta emitters by scintillation counting, and for filtration of precipitated proteins, cells, and cell debris. Also used for gravimetric determination of airborne particulates. Grade 693 is recommended for use in dissolved and suspended solids testing in sanitary water analysis procedures. Grade 696 is used for monitoring specific pollutants (e.g., Hg in water), and in marine chemistry to filter particulate components in sea water. Also used in RIA procedures and for harvesting lymphocytes during incorporation trials.

Specifications for Whatman Glass Fiber Filters 28333-143 Grade 693 :

Diameter, cm:		2.4
Unit:		Pack of 100
Porosity:		Fine
Flow Rate:		Fast
Particle Retention, Grade 691:		1.5 µm
Particle Retention, Grade 693:		1.1 µm
Particle Retention, Grade 696:		1.2 µm

(Please note that the description and stock photo may not correspond to the specific model listed above)

We offer only genuine VWR products, authorized for sale in the U.S. and other markets, so you can be sure that you are buying authentic Filters with a full manufacturer's warranty in addition to our own 100% Satisfaction Guarantee. We are your premier online distributor for Whatman Filters. We are an authorized supplier to all federal and state government agencies, as well as to research and educational institutions, and can facilitate volume orders on many types of laboratory equipment, lab consumables, and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over $49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses.

In addition to the Whatman Glass Fiber Filters Grade 693 28333-143/ 28333-143, we carry a full complement of Filters as well as other product offerings from VWR. We also carry a full line of Whatman accessories to help meet your laboratory and scientific needs.

For a complete selection of Whatman Filters, please visit our VWR page. For more brand name Filters please visit our Filters store section. To see our complete line of lab, medical, industrial, and scientific products, please see our science and lab equipment online catalog.