AS-Rainfall Microfiber Filters (3- in- 1)

Each microfiber pack comes in a set of 3. Purify your water with our original microfiber filter! Trap any residual rust, dirt or contaminants that are collected through your water piping system. Duration – color of microfiber filter should change to brown depending on cleanliness & hardness of your water quality (approx. 2-3 months). Each city & state have different quality water so it is important to check your microfiber filter frequently. It is recommended to check & replace your microfiber filter every time you check your refill cartridges.