General description The BB9-2 Replacement Purification Elements are designed for effective filtration, making them ideal for families using substandard drinking water, as well as for travel and outdoor activities. These filters utilize natural coconut shell activated carbon and feature a BPA-free housing, ensuring clean and safe drinking water by reducing contaminants such as chlorine, sand, rust, odor, sediment, and large particles while improving the taste of the water. Technical specifications Filter type: BB9-2 black water filter Service life: Up to 6,000 gallons (22,712 liters) Compatibility and accessories Compatible with BB9-2 black purification element Interchangeable with Travel, Big, Royal, Imperial, Crown Series, Propur Traveler, Nomad, King, Big Series, Doulton Super Sterasyl, and ATC Super Sterasyl filters Compatible with W9361122 and W9361123 systems Usage For best performance, it is recommended to replace the filter every 6,000 gallons (22,712 liters), although this may