1. Alternative models: 3618, 7443, 307443, 307408, 90719. The cleaning system kit is suitable for the 90992 18.5 - inch model. 2. The 18.5 - inch one - touch cleaning system kit is suitable for charcoal grills/kettle grills and can replace the 18.5 - inch one - touch charcoal grill cleaning parts. As a cleaning device, it is installed at the bottom inside the charcoal grill for use. 3. When used as a cleaning system, install it at the bottom of the charcoal grill. Turn the handle to close the window to extinguish the fire. This kit is suitable for kettle grills up to 18.5 inches in size and can be rotated to sweep ashes and dust to the bottom dust collector. 4. When used as a ventilation system, thanks to the one - touch cleaning mechanism, this kit can be used to ventilate the charcoal grill. Simply move it to the desired position to control the oxygen intake and adjust the heat level as needed. 5. Precautions: When replacing a one - touch cleaning kit, first remove the old and damaged cleaning kit and clean the inside of the charcoal grill or kettle grill at the same time. This may make the installation easier. When installing, avoid scratching your hands. It is recommended to wear gloves. 6. Color: Silver. 7. Material: Metal. 8. Package contents: - 3 damper blades. - 1 damper control rod. - 1 set of H - type drive components. - 1 washer. Only the above package contents are included, and no other products are included. 9. Note: Light reflection and different monitors may cause the color of the items in the picture to vary slightly from the actual product. The allowable measurement error is plus or minus 1 - 3 centimeters.