These ready-to-use filters for total and volatile suspended solids decrease sample prep time for your suspended solids testing.

• Approved for Standard Methods 2540
• Each filter is individually prepared, weighed, and labeled to be ready for use upon receipt
• Eliminate loose fibers and inaccurate weights with precise, laser-cut edges
• Quality control ensures filter integrity with visual inspection after each cutting, washing, and drying step
• Made from binderless borosilicate glass

All ProWeigh filters are prepared according to Standard Methods requirements. Filters are weighed, washed 3 times in deionized water, dried at 105 °C and weighed to 0.1 mg. Filters come packaged in a labeled aluminum pan with the weight of the filter printed on the label. In addition, the filter weight and ID number are printed in code 128 bar coding.