Brand: GEX Product: Pure Crystal Okuchi Sukoyaka Filter, Circular, for Dogs and Cats Contents: 2 filters Fresh breath with apple scent! Just set it in Pure Crystal and your pet can drink water! Easy breath care! ● Contains apple polyphenols and tea catechins ● Antibacterial ceramic balls keep the filter clean. ● Non-woven fabric catches food debris, hair, dust, etc., and maintains clean water. * For health maintenance, replace the filter every 3 weeks to 1 month, or when visible dirt such as hair or food debris becomes noticeable. ☆ The outer box may be crushed during shipping, so we will fold the outer box for packaging. Please understand this beforehand. Other dog supplies we are selling are here: #NoR_dog_wear_dog_item