The BMS-30B Diaphragm Pump is a specialized microbial detection device featuring an elegant design, compact size, exceptional quiet operation, and comprehensive cleaning coverage. When paired with BMS series microbial filtration supports and dedicated filter cups or culture vessels, it enables high-speed filtration and direct liquid discharge. With user-friendly operation and simplified maintenance, this product stands as the optimal choice for limit testing of purified water, sterile water for injection, non-precipitated beverages, and other low-viscosity small-molecule solutions.