Product Category Description:

For rapid filtering with excellent retention of coarse particles and gelatinous precipitates. Good rapid filter for routine cleanup of biological fluids or organic extracts during analysis. Also for air pollution monitoring where high flow rates are required.

Specifications for Whatman Grade No. 4 Filter Paper, Whatman 1004-042 :

Diameter, cm:		4.25
Whatman No.:		1004-042
Unit:		Pack of 100
Porosity:		Coarse
Flow Rate:		Fast
Particle Retention:		20–25 µm

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

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In addition to the Whatman Grade No. 4 Filter Paper, Whatman 1004-042/ 28460-019, we carry a full complement of Filters as well as other product offerings from Whatman. We also carry a full line of Whatman accessories to help meet your laboratory and scientific needs.

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