Review Summary The Klean Kanteen 40oz Wide Mouth water bottle that is made of food grade 18/8 stainless steel and has a mouth opening that is 54 millimeters (2.25 inches) wide. The bottle has a secure

Review Summary He mentions that he was able to use the bottle to boil water over a fire, although it took longer than using a pot or pan because of the smaller surface area. He recommends the bottle for

Review Summary The reviewer has been using the Klean Kanteen 40 oz widemouth water bottle for two years, which has been well-used and has a few dents, but has held up well overall. He uses the bottle to

Review Summary The bottle is made of 18/8 stainless steel and has a wide mouth opening. It is a little taller and wider than some other water bottles, but this has not been an issue for the reviewer. He

Review Summary The Gray Bearded Green Beret, (a sort of authority in his field) is demonstrating how to use the Grayl GeoPress to purify water collected from a pond. The reviewer mentions that the pond

Review Summary Casey and his friend try the Grayl GeoPress water filter bottle on water taken from the nastiest body of water they could find, some disgusting little pond of stagnant water in Florida.

Review Summary The host begins noting that the Geopress is larger and more advanced than the Grayl Ultralight, and is able to purify water faster and in greater quantities. The reviewer goes on to describe

Review Summary In this review Steve is discussing the Grail Geopress water filter. He mentions that the water filter is quite heavy and bulky, which makes it difficult to carry around on backpacking trips,