[SAFE TO USE] The module has built-in beads that can filter water, providing a and more secure cleaning experience. [CONVENIENT INSTALLATION] Simply remove the filter attachment at the bottom of the water tank and press the silver ion module tightly for easy installation. [EFFECTIVE CLEANING] The silver ions travel through the water route to the floor, achieving an effective cleaning effect. Let your children run without worries. [COMPATIBLE MODELS] This silver ion module is suitable for X10 S10 W10S S20 X20 vacuum cleaner spare parts. [MAINTENANCE TIPS] For optimal cleaning performance, regularly or replace the silver ion module to better working efficiency. Product Name: Silver Ion Module Product function: remove odor and clean Adding aromatherapy to the The fragrance lasts about 30 days No chemical added, rest Use automatic fragrance diffuser to remove odors Colour:Blue Material:plastic Package Contents: 3 x 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.