Aquamira Aquamira Series IV Features The Aquamira Series IV Backcountry Plus Filter is built around a modular connectivity system that allows it to attach to compatible Series IV hardware such as the Frontier MAX or Shift bottles. This interchangeable design lets users customize their filtration setup based on the trip swapping filters to match the demands of a particular water source or duration. The cartridge is rated to treat up to 1000 gallons before needing replacement giving backcountry travelers a long service life from a single filter. Removing 99 percent of viruses bacteria and cysts the Backcountry Plus filter addresses the full range of biological contaminants found in wilderness water sources. Despite its filtration capability the cartridge adds less than 1 ounce of weight to a pack making it an easy addition for ultralight backpackers and hunters who count every ounce. Its compact size means it stores easily alongside other hydration gear without taking up significant space. Finished in Green the filter is one of four filtration levels Aquamira offers giving users the ability to match filter choice to the specific adventure ahead. For hunters hikers and backcountry travelers who need dependable water treatment the Aquamira Series IV Backcountry Plus Filter is available for sale at GrabAGun. Aquamira Aquamira Series IV Specifications Manufacturer: Aquamira Model: Aquamira Series IV Description: Backcountry Plus Filter Type: Water Treatment Color: Green Available At: GrabAGun