Features: General silicone sealing rings designed for pressure washers ensures leak proof performances across multiple models with tool easy installation, perfect for residential and commercial equipment maintenance. Crafted from strong, weather resistant silicone, this sealing rings maintains elasticity under high pressure operations while resisting wear, aging, and chemical erosion for long term reliability. Ideal for busy homeowners and professional cleaners requiring quick maintenance solution during urgent outdoor cleaning tasks in variable climates. Secures equipment functionality during garden cleaning, vehicle washes, or industrial surfaces treatments, adapting seamlessly to temperature extremes from 40°F to 400°F. Engineered with not toxic, user friendly materials to safeguards user health and equipment integrity while meeting rigorous performances demands of modern pressure washing systems. Specifications: Component: Silicone, with excellent wear resistance and elasticity, ensuring that it is not easy to deform during long-term use. Size: 1.8x1.7cm, Use scenarios: widely used at home cleaning, car cleaning, courtyard maintenance and other occasions, providing stable sealing and protections for the equipment. Package Includes: Packaging list information: -Silicone sealing rings × 20-piece set/37-piece set note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!