water-purifier

Review Summary The Gray Bearded Green Beret, (a sort of authority in his field) is demonstrating how to use the Grayl GeoPress to purify ...

Review Summary Casey and his friend try the Grayl GeoPress water filter bottle on water taken from the nastiest body of water they could ...

Review Summary The host begins noting that the Geopress is larger and more advanced than the Grayl Ultralight, and is able to purify wate...

Review Summary In this review Steve is discussing the Grail Geopress water filter. He mentions that the water filter is quite heavy and b...