SpectraPure® MAXCAP® RODI System w/ Manual Flush Valve incorporates a high-silicate removal TFC membrane, 0.5 micron MicroTec™ Sediment and 0.5 micron Carbon Block Filters, plus the new 33% greater capacity MAXCAP® and SilicaBuster™ SuperDI™ DI Cartridges. Manual flush valve, ASO Valve and Float Valve are included, and two Dual-Probe Inline TDS Monitors measure water purity at 4 different points in the system. You can be always be assured of Zero-TDS product water. These systems maximize pure water production through application of the laboratory grade resins used in our specialty deionization cartridges, providing 99.95% Silica Removal and Extended DI Cartridge Life. Ultra-high purity DI water at a half the cost!