1、IMPROVES WATER QUALITY: Removing impurities, chlorine, and odors with activated charcoal filters creates the best-tasting and safest water and encourages your pet to drink more water, which is good for their overall health. 2、-MESH MATERIAL: The outer wrap of the filter is made of -mesh material which will ensure the charcoal stays in the filter and does not clog up your pet fountain. 3、ULTRA FINE-GRAIN CHARCOAL: Finer charcoal granules increase the surface area exposure to water and maximize the effective filtration. 4、The package includes 4pcs charcoal filter and 1 sponge filter. 5、We suggest you replace filter every 6-8 weeks to keep that water fresh! 6、✅➤ IMPROVES WATER QUALITY: Removing impurities, chlorine, and odors with activated charcoal filters creates the best-tasting and safest water and encourages your pet to drink more water, which is good for their overall health. 7、✅➤ -MESH MATERIAL: The outer wrap of the filter is made of -mesh material which will ensure the charcoal stays in the filter and does not clog up your pet fountain. 8、✅➤ ULTRA FINE-GRAIN CHARCOAL: Finer charcoal granules increase the surface area exposure to water and maximize the effective filtration. 9、✅➤ The package includes 4pcs charcoal filter and 1 sponge filter. 10、✅➤ We suggest you replace filter every 6-8 weeks to keep that water fresh! 11、? IMPROVES WATER QUALITY: Removing impurities, chlorine, and odors with activated charcoal filters creates the best-tasting and safest water and encourages your pet to drink more water, which is good for their overall health. 12、? -MESH MATERIAL: The outer wrap of the filter is made of -mesh material which will ensure the charcoal stays in the filter and does not clog up your pet fountain. 13、? ULTRA FINE-GRAIN CHARCOAL: Finer charcoal granules increase the surface area exposure to water and maximize the effective filtration. 14、? The package includes 4pcs charcoal filter and 1 sponge filter. 15、? We suggest you replace filter every 6-8 weeks to keep that water fresh!We suggest you replace filter every 6-8 weeks to keep that water fresh!We suggest you replace filter every 6-8 weeks to keep that water fresh!We suggest you replace filter every 6-8 weeks to keep that water fresh! It's great that you decided to buy a water fountain for your pets, since it ensures fresh water by constantly recirculating it through a filter. That being said, your filter really should be of the utmost quality, and using an activated carbon medium to extract the majority of contaminants, including chlorine, debris, saliva, and even bad tastes and odors, only the purest, cleanest water to stream back for your pet to drink. Be sure to replace filter every 6-8 weeks to keep that water fresh! Features: IMPROVES WATER QUALITY: Removing impurities, chlorine, and odors with activated charcoal filters creates the best-tasting and safest water and encourages your pet to drink more water, which is good for their overall health. MICRO-MESH MATERIAL: The outer wrap of the filter is made of micro-mesh material which will ensure the charcoal stays in the filter and does not clog up your pet fountain. ULTRA FINE-GRAIN CHARCOAL: Finer charcoal granules increase the surface area exposure to water and maximize the effective filtration. The package includes 4pcs charcoal filter and 1 sponge filter. We suggest you replace filter every 6-8 weeks to keep that water fresh! Specifications: Item Name: Fountain Filter Material: Charcoal Micro-mesh & Sponge Quantity: 4PCS Charcoal Filter and 1 Sponge Filter Filter size: 75 * 50 * 5mm Item weight: 4g/pcs Package Information: Package size: 9 * 7 * 5.5cm / 3.6 * 2.8 * 2.2in Package weight: 43g Package List: 4 * Charcoal Filter 1 * Sponge Filter 4 * Charcoal Filter 1 * Sponge Filter