Features 1. **Powerful Cleaning Formula**: Our effervescent tablets contain disodium EDTA and lauryl ether 7, effectively removing stubborn oil films and grime from your windshield for crystal-clear visibility. 2. **Easy to Use**: Simply dissolve one tablet in 4 liters of water, pour into your car's tank, and activate the wipers for a hassle-free cleaning experience. 3. **Long-lasting Protection**: The formula not only cleans but also creates a durable waterproof film on your windshield, ensuring long-lasting clarity and safety while driving. 4. **Convenient 30 Pack**: Each pack contains 30 effervescent tablets, providing you with a cost-effective solution for maintaining your vehicle's windshield cleanliness over time. 5. **Hydrophobic Technology**: Designed to enhance the hydrophobic properties of your car glass, our tablets help repel water, improving visibility during rain and adverse weather conditions. Our concentrated wiper cleaning effervescent tablets contain disodium EDTA, sodium bicarbonate and lauryl ether 7. It can effectively clean and efficiently hydrophobic car glass surface, remove stubborn oil film, keep your car clean, and form a waterproof film for a long time, ensure clear vision, improve driving safety. Its use is simple: dissolve the cleaning tablet in 4 liters of water, pour it into the car tank, and start the blender to clean the windshield. And quickly dissolve, easy to maintain, easy to master.