• Compatibility: 12 replacement filters, 12 filter sponges and 12 pump sponges, perfectly for 135 fl oz/4L wilreless cat water fountain YPD-C004P, YPD-C004S
• Every Sip is Clean & Fresh: 3 layers of filter system (high density cotton, Ion exchange resin, coconut shell activated carbon), keeping water cycling and being filtered.Activated carbon can remove chlorine and odor, purify and freshen water; Ion exchange resin can filter heavy metals and improve the taste
• Care for Your Pet's Health: Filters replacement for pet water fountain provide 24/7 all day fresher, cleaner and better tasting, which helps to increase your pet’s water consumption and reduce the risk of urinary tract infections
• Replace Filter Regularly: Suggest replacing the filter and sponge every 2 to 4 weeks; Please change them more often if have multiple pets.Soak the filter for 5 minutes and thoroughly rinse it before use
• Usage Details: Before use, soak the filter in water for 3-5 minutes, then rinse with running water. Prevents activated carbon dust from clogging the water pump of your cat's water dispenser