3M™ Zeta Plus™ LA Series Filter Sheet comprises of pre-extracted inorganic filter aid, cellulose, and a positively charged resin system that pulls negatively charged contaminants from the fluid. Our LA media is available in range of different surface areas and porosities.
For clarification of bioprocess, biological and pharmaceutical fluids, use 3M™ Zeta Plus™ LA Series Filter Sheet. Our LA media features a positive charge to provide higher reduction of negatively charged contaminants compared to a mechanical filtration mechanism alone. 3M Zeta Plus LA Series Filter sheets are manufactured to controls described in our Drug Master File on record with the FDA. Certificates of Quality are included with every filter. These filters meet the requirements of USP Class VI Biological Reactivity Tests and meet the strict requirements specified in the Drug Master File, including product control and traceability. This sheet is available in a range of different surface areas and porosities.