Grade 4 filter circles and sheets
Grade 4: 20-25µm
Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Very useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
To help you choose the right filter for your application please click on the image below that will take you to the application guide for:
         
 There is also a link to the Cytiva Filter Paper Selector Guide
How do you choose the right size filter paper for your funnel? Use the table below to see what size filter paper you should use Gravity filtration using a filter paper inside a filtration funnel is used to remove precipitates from a liquid. The remaining liquid is known as the filtrate. For standard shaped filter funnels where the walls are at 58 or 60° the table below shows the r...
Related Products
Check items to add to the cart
Add to Wish List
Add to Compare
Print Page![Grade 111 [4] Qualitative filter paper Diameter 270mm Pack 100](https://www.camlab.co.uk/media/catalog/product/placeholder/stores/2/default_logo_only_best_copy_240_2.jpg){kind=logo}