Delivering a high rate of flow in a leak proof design the purist watergate offers a simple drinking experiencejust aim and squeeze for clean pure refreshment purist infusion shields the bottle from odour stains and mould to keep your water pure and your bottle clean simple hands free open and close valve nothing to turn 100 leak proof top locks down for transport or mixing powdered drinks self sealing heart valve delivers a high rate of flow with a 100 leak proof design even when t