Replaces Models: 3618, 7443, 307443, 307408, 90719.. Cleaning System Kit, for 90992 18.5inch_x000D__x000D_18-1/2-Inch One-Touch Cleaning System Kit: Compatible With for Charcoal Grill/Kettle Grills, Replacement for 18-1/2 one-touch charcoal grill cleaning pieces. Used on the inside bottom of a for charcoal grill as a cleaning device._x000D__x000D_Used as a cleaning system: install this on the bottom of for charcoal grill. Rotate the handle to close the window and stop the fire. The kit is compatible for rotating within a maximum 18.5 inch kettle to sweep the ashes and dusts to the dust collector on the bottom._x000D__x000D_Used as a ventilation system: to touch cleaning mechanism, this kit can be used to ventilate your charcoal grill. Simply move it to the desiRed position to control the intake of oxygen and regulate the heat level to your need._x000D__x000D_ When replacing a new one-touch cleaning kit, you need to remove the old and cleaning kit first, and clean the inside of the charcoal grill or kettle grill at the same time, which will be much easier to install. When installing, avoid scratching your hands, it is recommended to wear safety gloves._x000D__x000D_Color:Silver_x000D__x000D_Material:Metal_x000D__x000D_Package Contents:_x000D__x000D_3 x Damper Blades_x000D__x000D_1 x Damper Control Rod_x000D__x000D_1 x H-Drive Assembly_x000D__x000D_1 x Washer_x000D__x000D__x000D__x000D_