Filtration Function: The module has built in small beads that can filter clean water more effectively, providing greater peace of mind when using it. for Clean Water Tank: Easy to install, remove the filter attachment from the bottom of the clean water tank, install the silver ion module and press it firmly into place. Cleaning Effect: Silver ions reach the ground through the water circuit to achieve effective cleaning effect. Kids run , mom doesn't have to worry. Easy to Install and Remove: This silver ion module is easy to install and remove, no extra tools and steps are required, no extra effort and time is needed. Timely Replacement: As part of normal maintenance, it can be easily disassembled and replaced, replacing old fittings in a timely manner to work efficiency. Product Name: Silver Ion Module Product function: remove odor and clean Colour:Blue Material:plastic Package Contents: 2 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.