The Pioneer Pet 4-Pack Watering Fountain Filter Replacement is designed specifically for the Pioneer Pet brand water fountains. This filter replacement pack includes four filters specifically made for the Pioneer Pet 3014 model water fountain. By using genuine Pioneer Pet filters, pet owners can ensure their pets have access to clean and fresh water at all times. This product is essential for maintaining the health and well-being of pets who rely on water fountains for hydration. Shipped Free With USPS Ground Advantage. Inv 19