【High Efficiency Filtration】The Black Carbon Filter is designed for families, travelling and outdoor people with substandard drinking water. The premium black filter element uses natural coconut shell activated carbon and a BPA-free housing to effectively reduce harmful substances such as sand, rust, odours, sediment and large particles, improve the taste of water and effectively absorb residual chlorine with a removal rate of over 99% 【Compatible Model】The black activated carbon water filter element can replace is BB-9-2 water filter. Suitable for Berkey gravity filtration systems, including Travel, Big, Royal, Imperial, Crown series and other brands of gravity water filtration systems. Firmly connects with precision-engineered washers and wing nuts to prevent leaks. Rinse filter for 1 minute before use. If not working, send back for replacement 【Certified Safe Material】Our black water filter is made of natural coconut shell activated carbon material and hollow fibre ultra-filtration membrane, which is certified by authorities to ensure a safe water experience for your family. The upgraded hollow fibre has a pore size of only 0.01 microns, and the microscopic pores allow only water molecules, beneficial minerals and trace elements in the water to pass through, more effectively reducing chlorine, sediment, rust and other contaminants 【Longer Service Life】Each pair of black carbon filters provides 6,000 gallons of clean water. For better performance, we recommend that you change your filter every 6,000 gallons. However, this may vary depending on your water conditions. Please note that you must completely flood the carbon filters once a week for the drip system to siphon properly 【Multiple Uses and Affordable】Our black activated carbon water purifiers are suitable for home, travelling and outdoor activities, as well as emergency water shortage situations. Whether at home or outdoors. We offer the same filtration level and performance as branded water filters to provide you with healthy clean quality water REPLACEMENT FILTER CARTRIDGE
CAPABILITY: Each water filter has a life of 3,000 gallons, or 6,000 gallons for the pair
PRODUCT FEATURES:
1.Made by premium coconut shell activated carbon block
2.Easy to install .No tools needs.

INSTALLATION
1.Remove the upper chamber of the system.
2.Open the lid and unscrew the old water filter cartridges from the upper chamber.
3.Fill a clean container with clean water and soak the replacement water filter in the water for at least 30 minutes.Tilt the filter,while under water,so that any air bubbles can escape from both ends .
4.Remove the water filter from the water.Cover the holes with either your fingers or the blue caps that came with the filter ,and shake the filter vigorously .Then tap them lightly on the counter to loosen any residual manufacturing dust.
5.Screw the new water filter onto the upper chamber.
6.Return the upper chamber to the system by placing it onto the lower chamber.
7.Fill the upper chamber with water and let it drain into the lower chamber.When the lower chamber is full,discard the first batch of water as it may contain residual manufacturing dust.The system is now ready for use