The J-Fill Quattroselect Safe Gap Dispensing System Is A Wall-Mounted Dispenser That Accurately Dispenses Four Chemical Solutions (Not Included) Into Bottles, Buckets Or Floor-Care Machines. The J-Fill Platform Is Safe, Reliable, Accurate And Sustainable. Smartvalve Technology Automatically Chooses Correct Flow Rate In One Operation. Safegap And Air Gap Eductors Meets Asse 1055B Standard For Backflow Prevention. J-Fill Uses Super-Concentrated And Hyper-Concentrated Chemicals And Reduces "In-Use" Cost And Solid Waste Disposal. Spill-Tite Cartridges Are Leakproof And Virtually Eliminate Chemical Exposure, Tampering And Manually Diluting Products. Rugged Steel Doors Lock And Feature Built-In Product Identification Windows. System Comes With Keys And Includes Drip Tray With Drain Hose, A Remote High-Flow Bucket/Autoscrubber Fill Gun, One-Handed 1.5 Gpm Low-Flow And Low-Foam Bottle Fill And 8' 3.1 Gpm High-Flow Bucket Fill Hose With Easy-To-Use, Point-Of-Use Activation.