Phase Separation Monitor. Protect your fueling infrastructure and ensure fuel quality with the 300MB-30 Phase Separation Monitor by Central Illinois Mfg. Co. / CIM-TEK Filtration. This advanced monitoring device is specifically designed to detect and alert you to any phase separation occurrences in fuel, a critical factor in maintaining fuel integrity and performance. The 300MB-30 model is an essential tool for fuel distributors, service stations, and any facility storing or dispensing biofuels or other fuels susceptible to phase separation. Its precise detection capabilities help prevent costly damage to vehicles and equipment by ensuring only quality, uncontaminated fuel is dispensed. Available at J&N Supply Co in the Dallas-Fort Worth metroplex, the 300MB-30 Phase Separation Monitor is a proactive measure for safeguarding your operations and reputation.