Fangrui Product Details 1. Features: 2. **effective Urea Crystal Dissolver**: Our Scr Urea Dredging Agent Quickly Dissolves Stubborn Urea Crystals, Restoring Optimal Nozzle Atomization Efficiency For Your Diesel Vehicle's Scr System. 3. **easy Application**: Simply Pour The Dredging Agent Into Your Vehicle's Urea Tank At A Ratio Of One Bottle Per 50 Kg Of Urea, Then Drive For 3-5 Km To See Immediate Results. 4. **prevents Crystallization**: This Innovative Solution Not Only Clears Existing Blockages But Also Prevents Future Crystallization, Ensuring Your Scr System Operates Smoothly. 5. **prolongs System Lifespan**: By Maintaining The Efficiency Of Your Post-treatment System, Our Dredging Agent Helps Extend Its Service Life, Saving You Time And Money On Repairs. 6. **designed For Diesel Vehicles**: Specifically Formulated For Diesel Engines, Our Scr Urea Dredging Agent Is The Maintenance Solution For Your Vehicle's Emissions System. 7. Our Vehicle Scr Urea System Dredging Agent Is Made Of Dimethyl Ether And Ether Core. Designed To Quickly Dissolve Urea Crystals In Scr Systems And Restore Nozzle Atomization Efficiency. The Method Of Use Is Very Convenient: Pour The Dredging Agent Directly Into The Urea Tank Of The Vehicle, Add It In Proportion, Add A Bottle Of Dredging Agent Per 50 Kg Of Urea, After Adding, Drive The Vehicle For 3-5 Kilometers, And Observe The Obvious Effect. Applicable To Diesel Vehicles Only. And Can Prevent Repeated Crystallization Formation, Prolong The Service Life Of The Post-treatment System.