Nispira Replacement water filter Compatible with Whisker City pet drinking water wountain. Crafted with high-quality activated carbon, the Nispira water filter effectively removes impurities, odors, and pollutants from your pet's drinking water, providing clean and fresh-tasting water for your furry friend. The activated carbon material efficiently absorbs toxins and chemicals, such as chlorine and heavy metals, promoting better water quality and enhancing your pet's well-being. Utilizes a multi-stage filtration process to ensure thorough purification, resulting in healthier and safer water for your pet's hydration needs. We recommend replacing the Nispira water filter every 2 to 4 weeks, depending on your pet's usage and the water condition. Regular filter replacement ensures optimal filtration performance, maintaining clean and fresh water for your pet's health and well-being. Pack of 12 Filters, Filter Size: 2.75" x 1.75" x 0.25". Quality meets or exceeds leading national brand's