Easy cleaning system: fits for webber 22 (22-1/2 actually) kettle/charcoal grill accessories, install on the inside of a charcoal grill as a cleaning system, sweep ash and debris to the bottom of the grill and then clean it. Easy to install: this charcoal grill accessory includes 3x damper blades, 1x control rod, 2x hardware, 1x instructions; remove the old and damaged cleaning kit and clean the inside of the grill or kettle grill, which will be easier to install, wear gloves to protect your hands at the same time. High quality material: this grill replacement part suitable for weber grill is made of thicker aluminized steel, durable and robust, heat resistant. not easy to rust or lose shape or damage. As a ventilation system: this kettle replacement part 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 regulates the heat and cooking speed, meet your different grilling needs. Convenient and time-saving: after the grill has cooled down, you don't need to remove the grill, just move the handle from the closed position to the open position. it collects and drains the burned dust and debris, which can save you a lot of time.