Matched use: Our fountain filter is only suitable for the 2.5L fountain! Dimensions: outer diameter: 10cm, inner diameter: 1.9cm, thickness: 1.9cm. Three-stage filtration: Each filter has a three-stage carbon filtration system. Each carbon filter inside is equipped with a screen of activated carbon and ion exchange resin. The triple function can effectively discharge debris, absorb heavy metals and eliminate odors. Protect your kittens and give them healthier and more delicious water! Long-lasting use: depending on the cleanliness of the drinking water, we recommend replacing it every 2 to 4 weeks. Each filter is individually wrapped, which is easy to use, clean and healthy. Filter application: Before use, please rinse the filter thoroughly under running water to wet it completely. Then install the filter in the fountain. Please check the water quality of the pet fountain and replace the filter in time. Green material: the pet fountain filter is made of high quality polyester mat.
