Check the listing for details. MSR MiniWorks Water Filter Pump Black Ceramic Microfilter Hose Bag Hiking. Color: Black, Condition: Used, Made in United States. Listed at 40.60 USD. Brand: MSR (Mountain Safety Research) Model: MiniWorks water filter hand pump for outdoor water purification. Color: Primarily black with teal translucent pump head and black handle. Type: Manual pump-style microfilter designed for backpacking, camping, and emergency water treatment. Filter element: Ceramic cartridge inside removable housing with rubber gasket and end cap. Includes clear intake hose with foam float and metal strainer, plus black mesh drawstring storage bag. Includes MSR MiniWorks Water Filter instruction sheet and MSR HyperFlow Microfilter instruction manual as shown. Details: Pump handle operation, threaded outlet compatible with wide-mouth bottles, replaceable filter element, O-ring seals, compact lightweight design.