Upgrade your Cirkul hydration experience with the Cirkul Flow Filter (3-Pack), a carbon-based filter designed to reduce chlorine and unwanted particles in your water. Say goodbye to unpleasant tastes and hello to clean, refreshing hydration that pairs perfectly with your Cirkul Sip flavor cartridges. Each filter lasts up to 20 gallons (approximately one month of typical use), ensuring long-lasting freshness without constant replacements. The quick-connect system allows for effortless installation—just lock it into Cirkul's new lid with a simple 1/4-turn and enjoy instant filtration. Perfect for those who love fresh, clean water with the flexibility to filter and flavor on the go, the Cirkul Flow Filter is a must-have upgrade for your hydration routine.