About This [Exclusive Compatibility] These filters are exclusively compatible with the PawsPik BOSS-01 Wireless Stainless Steel Battery Operated Water Fountain, ensuring perfect fit and optimal performance. [In the Box] Each package includes 8 packs of replacement filters and 8 packs of replacement pre-filter sponges. To ensure your pet has the freshest and cleanest water possible, PawsPik recommends changing your fountain water filters and sponges every 2 - 4 weeks, depending on your water quality. [5 Layer Filtration] These pet fountain water filters have five premium layers of woven fabric to ensure removal of even the smallest impurities. Including two layers of non-woven fabric, two layers of activated ion exchange, and one layer of activated carbon for virtually pristine water quality. [Purifies] The PawsPik Water Fountain replacement filter removes heavy metals, dirt, and other harmful substances, offering a fresher and cleaner taste your pets are guaranteed to love. [Eliminates Odors] These water bowl filters eliminate odor, decreasing the risk of persistent smells and potential health risks from contaminated drinking water. [Maintains Cleanliness] Replacing your pet fountain filters on a regular basis ensures that water is regularly being filtered and minimizes the risk of impurities, keeping your pet healthy and happy with high quality water. Overview Material : 8 Filters + 8 Sponges (Activated carbon, ion exchange resin and non-woven fabric) Product Benefits : Removes impurities, eliminates odors, and maintains cleanliness for fresher and cleaner water Brand : PAWSPIK UPC : 850058276090 Unit Count : 8.0 Count