This is the filter element for wireless pet water dispenser, which is not suitable for pet water dispenser 2 version. Note:This only includes the Filter Set of the water dispenser and does not include the main body of the water dispenser. Product model: XWFE02MG Installation 1. Replacement. Remove the old from the slot and put the into the slot. Tips: It is recommended to replace the every 30 days, after replacement, please click the touch button three times consecutively or reset the expiration time of the on for App. When you hear the buzzer "drop", it means the reset is successful. 2. Coarse filter replacement. Pull out the old filter from the water pipe and connect the filter to the water pipe. Note: Water may drip when removing the filter. Color:White Material:PP+PET+Activated Carbon Package Contents: 1set * water dispenser filter cartridges 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.