Brand New- Opened andvpack in Bag But never used! Filter up to 100,000 Gallons from fresh water lakes, rivers or streams! Removes: Harmful bacteria, protocol and cysts! High-performance 0.1 Micron absolute inline filter fits in the palm of your hand and weighs just 2 ounces; 100% of Micro Squeeze units individually tested three times to performance standards by Sawyer Built-in and removable flip top sports cap; spray water straight into mouth or bottle from included pouch; also fits standard water bottles with 28 mm threads Includes: two reusable 32-oz BPA-free collapsible pouches & one 16 Oz, that roll up tightly for easy packing, drinking straw, one set of Sawyer Inline Hydration Pack Adapters for filter, and mesh storage bag