A collection of references and resources.

For further help or advice, please contact our Customer Support Team.

Water Filter or Water Purifier

Water Filter are Water PurifierThere are two different standards in the water filter industry for classifying water treatment devices.

Reverse Osmosis and Distillation

Reverse OsmosisFAQ's about Berkey Purification, Reverse Osmosis and Distillation

Black Berkey Food Coloring Test

Instructions on how to test if your Black Berkey Water Filters need replacing

Cutaway Images

Cut-away ImagesCutaway Images of Berkey Purification Systems and Elements

Guarantee and Returns

Shipping and ReturnsGuarantee, General Warranty, Returns and Shipping Information