Abstract: The invention herein provides a bottle for carrying a fluid or a semifluid, the bottle including: a mouth, a top section, a body, a bottom section, and a base each located sequentially on a y-axis; the body of the bottle comprising a plurality of planar walls, each wall having the same height and width and located perpendicular to the plane of the base on an x-axis, and a cross section of the body being a polygon selected from: triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon, and dodecagon; and a closure having a cross section of a circle or a polygon, and the closure reversibly attachable to the mouth to close the bottle and removable from the mouth to open the bottle. Further, the invention describes methods to obtain purified water using a filtration and purification device.

Abstract: The invention herein provides a bottle for carrying a fluid or a semifluid, the bottle including: a mouth, a top section, a body, a bottom section, and a base each located sequentially on a y- axis; the body of the bottle comprising a plurality of planar walls, each wall having the same height and width and located perpendicular to the plane of the base on an x-axis, and a cross section of the body being a polygon selected from: triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon, and dodecagon; and a closure having a cross section of a circle or a polygon, and the closure reversibly attachable to the mouth to close the bottle and removable from the mouth to open the bottle. Further, the invention describes methods to obtain purified water using a filtration and purification device.