Keep your MSR AutoFlow Gravity Filter running like new with this V2 replacement cartridge that brings fresh hollow fiber technology to your backcountry water system. This isn't just any replacement part – it's your ticket to maintaining that crisp 1.75L per minute flow rate that keeps your group hydrated without the wait, whether you're filtering lake water at base camp or topping off bottles during a resupply stop. The 0.2 micron hollow fiber media tackles bacteria, protozoa, and particulates with ease, giving you 1500L of reliable filtration capacity that'll last through multiple adventures. What sets this cartridge apart is its field-maintainable design and built-in replacement indicator, so you'll always know when it's time for a refresh and can keep your filter performing at peak efficiency throughout your outdoor expeditions. Features Hollow fiber filtration technology removes bacteria, protozoa, and particulates Field cleanable and maintainable for extended outdoor trips Built-in replacement indicator eliminates guesswork High-performance flow rate for quick water processing Extended cartridge lifespan reduces replacement frequency Direct compatibility with MSR AutoFlow Gravity Filter systems Specification Value Fit MSR AutoFlow Gravity Filter Dimensions 2 × 6 × 2 in Weight 57g (2 oz) Filter Pore Size 0.2 microns Flow Rate 1.75 L/min Cartridge Life 1500 L Materials Hollow Fiber filter media