[Compatible with multiple models]Compatible with for our 108oz/3.2L and 67oz/2L TOMXCUTE Stainless Steel Cat Water Fountain(More compatible models: PLWF003) [Replace Regularly]Pet water fountain need to replace the carbon filter every 4 weeks.(The hot weather breeds mosquitoes, please replace the carbon filter once 2 weeks), and replace the foam filter every two months to keep the water fresh. [Quantity specification]Set of 8 filters and 8 sponges compatible, easy replacement, bringing more protection to your pet. [Three-layer filtration]First Filter,Block Hair and Debris,Middle Filter,Remove Residual Heavy Metals,Third Filter,Healthier, Flowing Water,Allow pets to drink clean, fresh water throughout the day. [Matters needing attention]Soak the lter in a clean bowl for 5 minutes Notes, The lter must be fully soaked before the fountain is turned on; Otherwise, the water may not diuse through the lter and cause overow,Do not soak the lter in the fountain tank to avoid dust on the surface. Material:sponge colour:white and black Package Contents: 8 x filter elements 8 x filter sponges Only the above package content, other products are not included. Note: Light shooting 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.