The DuraFlo™ water filter replacement has been proven to remove bacteria, viruses & heavy metals from any non salt water source. This pack of 4 filters will purify up to 4 x 700 gallons. The DuraFlo™ Water Filter Replacements work with the AquaBrick® Water Purification System.

HIGHLY EFFECTIVE REPLACEMENT FILTER FOR MOST COUNTER TOP, GRAVITY FED WATER FILTER SYSTEMS, INCLUDING BERKEY®.  INCLUDES FILTERS ONLY

EPA Est.#94138-ID-1