Gsi outdoors h2jo wide mouth thread water bottlecoffee maker product description just say no to crappy camp coffee instead fill your water bottle with hot water screw on the handy filter add grounds and close the lid to make no fuss morning brew features twist on filter is light and small enough for backpacking fits most standard 1l not the nalgene 05l series wide mouth water bottles keeps grounds separate for easy clean up camping style ultralight backpacking subcategory