【What it is compatible with】This heart shape activated carbon filter specially compatible for Ecoastal 2021 newly updated heart shape cat dog water fountain 2L, and others fountains with workable size.
【What's advantages】This cat dog drinking fountain fileters continuously purifying and softening hard tap water to help prevent urinary tract disease which is common in pets, especially cats, whilst also retaining stray hair and debris.
【What's made from】100% high quality cotton,activated carbon,ion exchange resin,PP case,which can be used safely and securely for your pets.
【What's in the package】It includes 4 pieces fountain filters in one paper box.
【Tips】In order to achieve fountain excellent performance, it is highly recommend to put new filters and clean pump every one or two weeks.