Features & Details： φ20 Inch Fast and Efficient: With a high flow rate of 3.9 gallons per minute, it ensures even cleaning, leaving no inch of the ground untouched. Whether it's a large-scale task or everyday cleaning, the φ20-inch cleaning disk can handle it with ease. Enjoy efficient cleaning that saves you time and effort. 3/8" Quick Connector: Equipped with a standard 3/8-inch quick connector quick adapter kit to ensure seamless connections. The switch-equipped wrench allows you to start cleaning with a single press, making it more effortless. .