Replaces Models: 3618, 7443, 307443, 307408, 90719.. One Touch Cleaning System Kit, for Weber 90992 18.5inch18-1/2-Inch One-Touch Cleaning System Kit: Comaptible With for Weber Charcoal Grill/Kettle Grills, Replacement for 18-1/2 one-touch charcoal grill cleaning pieces. Used on the inside bottom of a for Weber charcoal grill as a cleaning device.Used as a cleaning system: install this on the bottom of for weber 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.Used as a ventilation system: thanks to the one 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.Note: When replacing a new one-touch cleaning kit, you need to remove the old and damaged 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.Colour:SilverMaterial:MetalPackage Contents:3 x Damper Blades1 x Damper Control Rod1 x H-Drive Assembly1 x WasherOnly 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.