Keep your pet’s water clean and healthy with the Wireless Smart Sensor Pet Water Fountain Mineral Stone Filter Replacement Set. Designed specifically for wireless smart sensor pet water fountains, this multi-layer filtration system helps remove impurities, improve water taste, and support your pet’s urinary health.The large-diameter mineral stone filter features layered filtration materials for maximum water contact and efficient purification. Tourmaline generates negative ions to help reduce bacteria and remove residual chlorine, while medical mineral stone helps balance pH levels and enhance water quality. The included bio-filter cotton captures hair, food particles, and debris, ensuring fresh and hygienic drinking water.With 360° circulating filtration, this replacement set continuously purifies water and helps prevent buildup of impurities. Strong adsorption performance helps keep water fresh longer and reduces odors, making it ideal for everyday use.- Designed for Wireless Smart Sensor Pet Water Fountain- Multi-layer mineral stone filtration system- Tourmaline negative ion purification technology- Removes chlorine and improves water taste- Helps balance pH for urinary health support- Bio-filter cotton captures hair and debris- 360° circulating purification- Large diameter filter for efficient filtration- Easy to install and replace