Check the listing for details. Pur Hiker Water Filtration microfilter system part 26-021 System Complete Case. Color: Gray, Condition: Used. Listed at 25.00 USD. This Pur Hiker Water Filtration microfilter system part 26-021 is complete in its own case that will provide you with clean and filtered water. The system is designed with carbon/charcoal filtration technology that removes impurities and contaminants from your water. It is a portable water filter that is ideal for camping and hiking enthusiasts. Features include Anti clogging, case, used once, includes manual The unit type is gray in color. The dimensions of the filter are 7" in height, 4" in length, and 2" in width. It is a part of the Sporting Goods, Camping & Hiking, Water Bottles & Hydration, and Portable Water Filters categories. The brand is Pur and will provide you with clean water. My brother used once Clean