Waterdrop W90B Black Water Filter, Silver Ions Added, Replacement for Berkey® Purewell®, ProOne®, BB9-2®, Waterdrop Gravity Water Filter System, NSF/ANSI 372 Certified, 2 Pack

[Compatible models] The Waterdrop Black Carbon Filters can be replacement for Berkey BB9-2 black filters, Travel, Big, Royal, Imperial, Light, Crown Berkey Series. And it is also compatible with Waterdrop Gravity-fed Water Filter System. Thanks to its exquisite design, this filter achieves great fit and no leakage. The water filter is not sourced by or sponsored by Berkey. Waterdrop is an independent brand.

[Upgraded filter materials] The upgraded filter materials contain silver ions, further reducing harmful substances and ensuring the safety of drinking water. Please flush the filter for 1 min before use by connecting to faucet. Note: If faucet is not fully compatible, splashing may occur but won't affect the filtration effect.

[Efficient filtration] The Waterdrop Black Carbon Filters use natural coconut shell activated carbon, which can effectively reduce harmful substances such as sand, rust, odor, sediment, and large particles, achieving up to 99% chlorine reduction and providing clean and tasty drinking water.

[Safe materials] The replacement for Berkey water filter is certified against NSF/ANSI 372 standard for lead-free materials

[Longer service life] The filter for replacement for Berkey water filter can provide 6,000 gallons of fresh water. For better performance, we recommend that you replace the filter every 6,000 gallons. However, this may vary depending on your water conditions.

Waterdrop Upgrade NSF/ANSI 372 Certified Water Filter, Silver Ions Added, Replacement for Berkey BB9-2 Black Filters, Berkey Gravity Water Filter System and Waterdrop King Tank Series