Sagan Life DuraFlo™ Purification Replacement Filter | Advanced Gravity-Fed Water Filter Cartridge

The Sagan Life DuraFlo™ Purification Replacement Filter is a high-performance water filtration cartridge designed for AquaBrick™ and other gravity-fed water purification systems. Engineered with advanced filtration technology, the DuraFlo™ filter effectively removes 99.9999% of bacteria, 99.99% of viruses, giardia, cryptosporidium, heavy metals, chlorine, fluoride, and other harmful contaminants from non-salt water sources, delivering safe and clean drinking water whenever you need it.

Built for emergency preparedness, camping, off-grid living, RV travel, and everyday water purification, this durable replacement filter provides long-lasting performance with filtration capacity up to 700 gallons for bacteria and protozoa, and up to 550 gallons for virus removal. Its fast-flow design produces purified water quickly without electricity, making it ideal for survival kits and gravity-fed filtration systems.

Compatible with AquaBrick™, Berkey®, Doulton®, Katadyn®, and other candlestick-style gravity-fed systems, the DuraFlo™ replacement filter is easy to install, highly durable, and designed to withstand freezing, long-term storage, and rugged outdoor conditions.