General description The 2 Pcs BB9-2 Water Filter is designed for families using inferior drinking water, as well as for travel and outdoor activities. Made with natural coconut shell activated carbon and a BPA-free housing, this filter effectively reduces contaminants such as chlorine, sand, rust, odor, sediment, and large particles, improving the taste of water and providing clean and safe drinking water. Technical specifications Filter type: BB9-2 black purification element Capacity: 6,000 gallons (22,712 liters) Compatibility and accessories Compatible with Travel, Big, Royal, Imperial, Crown Series Interchangeable with Propur Traveler, Nomad, King, Big Series Compatible with Doulton Super Sterasyl and ATC Super Sterasyl filters Fits W9361122 and W9361123 systems Usage For optimal performance, it is recommended to replace the filter every 6,000 gallons (22,712 liters), although this may vary depending on water conditions. Other information