Wide Applicability: The fire extinguishing nozzle is designed to be suitable for a variety of kitchen suppression ventilation hood systems. These rubber blow covers can meet the safety needs of the kitchen and that the area around the nozzle is not eroded by grease and other impurities. Made of high-quality materials: Made of top-grade rubber materials, it has excellent oil resistance and high temperature resistance. Even when used in a kitchen environment with continuous high temperature, it can maintain its shape and function to long-term durability. Comply with safety regulations: These rubber covers can effectively prevent grease accumulation, helping you pass the kitchen fire safety inspection smoothly. They form a tight seal around the nozzle to prevent clogging, thereby improving safety. Comprehensive protection function: After installing these rubber covers, it can effectively prevent grease and other contaminants from accumulating, ensuring that the nozzle is unobstructed. This provides comprehensive protection for your kitchen and enhances the safety of the working environment. Easy installation process: These rubber covers are simple in design and easy to install without the use of any special tools. Simply put the cover on the nozzle to achieve quick replacement and a firm fit, saving your time and labor. Colour:As Shown Material:rubber Package Contents: 20 * Rubber cap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.