💦 Stay hydrated, stay adventurous! Pair with a pressurized Aquamira hydration reservoir for instant, pressure-assisted filtration. Experience hydration on-the-go with an impressive 800 ml/minute flow rate. Stay refreshed with certified filtration for up to 100 gallons (over 375 L) of clean water. Easily fits any Series IV system, including Frontier Max and Shift Cap. Weighing in at just 0.7 oz. (21 g), this filter is your perfect travel companion. 800 ml/min flow 100 gallons certified Lead-free USA made The Aquamira Backcountry Replacement Filter is a lightweight, compact water filtration solution designed for outdoor enthusiasts. With a flow rate of up to 800 ml/min and the ability to filter 100 gallons of water, this lead-free filter is compatible with various hydration systems, ensuring you have access to clean water wherever your adventures take you.