1.【Compatible models】 Our black water clear out can alternative for Berkey BB9-2 water filter, Berkey Gravity Filter System including Travel, Big, Royal, Imperial, Crown Series. The exact design of washer and wing nut firmly associated with stop leakage. 2.【High performance filtration】 The black water filter, with a similar secure purification ability because the customary filter out this filter, can minimize as much as 99% of chlorine. It can also lower heavy metal, sediment, chlorine, sand, rust, heady scent and big debris in supply water, recuperating the flavour of water. 3.【Certification safe Materials】 The water filter has passed authoritative NSF/ANSI 42372 certification. Our filters undertake high quality natural coconut shell activated carbon. We strictly leadership filtration supplies and bring them with lead-free, BPA-free materials to guarantee perfect filtration functionality and consumer safety. 4.【Multiple application】 Suitable for in-house, journey and outdoors activities, as well as water shortage emergencies, whether or not at domestic or outdoors. The clear out may give you with healthful clean high quality water. About Shipment 1 you select to deliver from China, we ship during the Buydo Standard Shipping; when you decide to ship from abroad warehouses, we can bring by way of the native logistics delivery. 2 order is usually shipped within 24h, please kindly be extra patient to wait. 3 please feel free to let me know,we will clear up it for you as soon as possible. About Service 1. If you have any questions, please be at liberty to the touch us. And we can respond in 24 hours besides weekends. 2. If any issues comes to you, please do not worry. You can touch us first. We promise we are able to attempt all the things possible to assist you. 3. Please hear in at the time distinction between us. We work in China. About Feedback 1 confirmation may be highly loved after receiving the items. Once you've obtained the product, hope you should leave us a reputable feedback(5 stars). 2 you leaving the unfavourable feedback. PLEASE touch us at first, and we are able to make it simpler to remedy the problem. 3 attempt to do bigger and make you are feeling satisfied!