18 Pcs Cat Fountain Filters Replacement Compatible with VEKEN 95oz/2.8L, 67oz/2L, 135oz/4L Pet Fountain

【Note！！】- Our products packaging boxes are the same as the pictures on the details page, with environmentally friendly materials and opisicen logo printed on packaging boxes. 【Perfect Match】- ONLY Compatible with 95oz/2.8L & 67oz/2L & 135oz/4L Pet Fountain. Note! Not compatible with 84oz/2.5L (Filter size: 3.9 x 3.9 x 0.4in | Sponge size: 1.5 x 1.1 x 1.0in) 【Triple Filtration Keep Your Pet Healthy】- Each filter is composed of activated carbon, ion exchange resin and non-woven fabric. They can filter hair, heavy metals, so that pets can drink clean and fresh water without odor all day, which helps to increase water consumption and reduce the risk of urinary tract infections. Adding a pre-filter sponge around the pump to better filter impurities and extend pump life. 【Enhanced Features for Optimal Performance】- 2 different sizes CLEANING BRUSH provide enhanced functionality, setting our items apart from the rest. Whether it's all corners of the fountain or water pipelines, you can trust our tools to deliver exceptional results and cater to your cat's drinking needs. 【Replace The Filter Regularly】- According to your pet's drinking frequency and the number of pets using the fountain, please replace the filter and the sponge every 2 to 4 weeks.