Fiber Filter Bags 25 micron porosity- 200 Count.  Order F57 Filter Bags by 200 count package quantity (E.g. 5 = 1,000 filter bags). Volume discounts will be applied when added to the shopping cart. Quantity discounts apply at 1000, 5000 and 10,000 quantities

The F57 filter bag now incorporates a process called point-bonding to laminate the various layers of the filter matrix. This process causes some noticeable “points” to be visible, however this does not affect the porosity or flow characteristics of the material.  Exhaustive testing was done to confirm consistency and results before making the process change.