Built-in double filtration, safe filter has excellent effect on refreshing water, making your pets healthier. With a strong adsorption function, the activated carbon removes impurities and odors, allowing your pets to enjoy drinking water. PP cotton filters coarser debris such as hair and water deposits. Effective and long-lasting, 1 filter lasts you for 2-3 weeks, but with the aim of better allowing your pets to drink clean water. It is recommended to do it in about 2 weeks, which can better purify the water and make the water more refreshing, providing great tasting water for your dog or cat. Easy to use: this ceramic filter is easy to install on the Safe fountain. Please note that rinse the filter with water before use, then you can clean the produced fine toner when transporting to make it clean and delicious, so your pet will fall in love with drinking water. High Precision: This filter provides the best water quality for your dogs and cats thanks to its unique design. The