One-Touch Cleaning System Kit:fits for webber 22 (22-1/2 actually) kettle/charcoal grill accessories, install on the inside bottom of a charcoal grill as a cleaning system,sweep ashes and debris into the bottom of the grill and than clean it. Easy To Install: this charcoal grill accessories included 3xdamper blades, 1xcontrol rod, 2xhardware,1xinstructions;please remove the old and damaged cleaning kit and clean the inside of the grill or kettle grill, which will be easier to install,please wear gloves to protect your hands at the same time. High-quality Material:this grill replacement parts fits for weber grill is made of thicker aluminized steel,durable and sturdy,heat resistant. not easy to rust or out of shape or damage. As a Ventilation System:this kettle replacement parts is installed at the bottom of the kettle or grill,easy to control the amount of combustion air entering the bottom grill(by moving the handle back and forth),so that it an regulating the heat and cooking rate,meet your different barbecue needs. Convenient and Time-Saving:after the grill cools down, you don't need to remove the grill, just move the handle from the closed position to the open position. it will collect and empty the burnt dust and debris, which can save you a lot of time.