【 Sufficient quantity】the【 Keep pets healthy】the dog fountain foam filters can prevent hair, food scraps and other dirty things from circulating around the fountain, which can keep the pet's drinking water clean and fresh, and keep your pets healthy 【 Keep pets healthy】the dog fountain foam filters can prevent hair, food scraps and other dirty things from circulating around the fountain, which can keep the pet's drinking water clean and fresh, and keep your pets healthy and happy while drinking 【 Enhance overall filtration】this foam filter can make your pet's drinking water clean and keep pets hydrated, and it has many benefits for your pet cats and dogs healthy, and adds more happiness for you and your pets when playing together 【 Simple to replace and clean】 the pet water fountain foam filter can be easily removed, it is convenient for pump cleanings and foam filter replacement, recommended to replace the foam filter every 2-4 weeks to keep your pets drinking water fresh an 【 Wide range of use】this fountain filter foam is compatible with Drinkwell stainless steel 360, Avalon, Lotus, and Pagoda pet water fountains, and this filter foam can help to prolong the life of your fountain pump