About This Widely compatible:Black water filter for Berkey water filters are also compatible with Berkey Big, Travel, Royal, Imperial, Crown, and Light series gravity filtration systems. High-Efficiency Purification:Black activated carbon water filter is made of high quality natural coconut shell activated carbon, which can effectively remove various impurities such as sand, rust, silt, odor, etc., and at the same time, it can effectively absorb residual chlorine, with a removal rate of more than 99%. Materials Certified for Safety:The water filters are NSF/ANSI 42 certified, ensuring a safe water experience for your family. Durable Life Span:For optimal water filter performance, we recommend replacing the black carbon cartridge every 6,000 gallons!,Please note that you have to totally submerge the carbon filter about once a week in order for the drip system to siphon properly. Note: Please connect the faucet to flush the black carbon filter and fluoride filter for at least 1 minute before use. In order to wash loose activated carbon and natural mineral synthesis material powder away in advance. Overview Material : Plastic Product Dimensions : 9.3"D x 2.3"W x 2.3"H Item Weight : 9.6 ounces External Testing Certification : NSF Product Benefits : Removes Impurities
