Minimize the buildup of particles during the sample preparation stage with our membrane filters, thus minimizing the possibility of instrument failure and shutdown and maximizing uptime during analysis. We offer a wide variety of precut membranes in Nylon, Cellulose Acetate, PVDF, PES, Nitrocellose and PTFE. Sizes 13mm to 142mm; 0.2 and 0.45 micron