Bulk Reef Supply 4 Stage Value Plus 100GPD RO DI System Cannister Active ingredients: metronidazole (70%) Inactive Size:139gal 36"x30"x30" Internal Overflow Clear Background Active ingredients: metronidazole (70%) Inactive ingredients: excipients (30%) dual return pumps + wavemaker or 200Sediment Filter Purtrex 5 Micron Depth Sediment Filter Purtrex 5 Micron Depth Sediment Filter Carbon Block BRS VOC 5 Micron Carbon Block BRS VOC 5 Micron Carbon Block Membrane 75 or 100 GPD Dow Filmtec Membrane 75 or 100 GPD Dow Filmtec MembraneDeionization Single Mixed Bed DI Stage with Refillable Cartridge Single Mixed Bed DI Stage with Refillable CartridgeAuto Shut Off Valve ✓ ✓Canister Wrench ✓ ✓Laundry Tub Connection Adapter ✓ ✓Chrome Faucet Diverter Valve ✓ ✓Glycerin Filled Pressure Gauge ✓Flush Kit ✓Dual Inline TDS Meter ✓Dimensions 16" x 6 5 Stage RO DI Systems Our most popular systems handle common impurities found in well water along with most types of city water treated with chlorine including small amounts of chloramines