Cat Water Fountain Filters,Pet Water Fountain Replacement Filter for 108oz/3.2L and 135oz/4.0L Adjustable Water Flow Cat Fountain

New Upgraded : Pet water fountain filter compatible with FWMB 108oz/3.2L and 4.0L/135oz stainless steel cat water fountain.（models: PET-HQ002-US）,5-layer filtration: Double-Layer ABS grille blocks hair and debris, double-layer sponge adsorption, effective filtration of impurities in the water; the core graphite resin filtration layer effectively adsorbs residual heavy metals, five layers of filtration to ensure a healthier, higher quality water, so that pets can drink clean, fresh water throughout the day.,Package Includes: Set of 6 filters and 2 sponges compatible, more peace of mind when used in conjunction and bringing more protection to your pet.,Recommendations for Use: 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.,Instructions for use: Before turning on the fountain or when replacing the filter pad , please soak the filter pad in clean water for 5 minutes to ensure that the filter pad is fully drenched, to avoid overflow due to water not being able to pass through when in use.