[Compatible Models]--- This Silver Ion Module Replacement compatible with for Roborock Q Revo/ S7maxv Ultra/ S7 Pro Ultra/ S8/ S8 Pro Ultra / S8+ / S8 Plus Efficient Cleaning Vacuum Cleaner. [High Efficiency Filtration]--- Continuously releases silver ions into the water, effectively adsorbing dust, pollen and other particles. Maintains the efficient cleaning power of the Vacuum Cleaner. [Easy to Install & Replace]--- 1:Take off the Silver Ion Module from the clean water tank.2:Install a new Silver Ion Module and press it into place. [3 Pack]--- This package includes a set of 3 replacement Silver Ion Module.Just replace it yourself according to the usage. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:White Material:plastic Package Contents: 3 x replacement Silver Ion Module Only 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.