Abstract: A water treatment cartridge, or insert, for use in connection with a water treatment device such as a gravity-fed water pitcher or the like includes a support structure and water treatment material arranged in combination with the support structure.

Abstract: A water bottle for use in connection with a water treatment device includes an opening with a diameter of at least about 0.87 inches, a diameter of no greater than about 1.06 inches, and a height of at least about 6.56 inches, and a height of no greater than about 8.02.

Abstract: A water treatment device for filling at least one bottle with treated tap water includes a housing unit having a reservoir, and at least one valve arranged in fluid communication with the reservoir, the valve having a water inlet/air exit port arranged adjacent to the housing unit, and a water exit/air inlet port arranged opposite the water inlet/air exit port, whereby when the valve is actuated to its open condition, water flows through the valve and into the bottle, and air entrapped in the bottle flows through the valve and into the surrounding environment. When the valve is in its closed condition, air and water do not flow through the valve.

Abstract: Disclosed are portable fluid treating and dispensing devices, systems, articles, and methods particularly adapted for use in treating potable liquids, such as drinking water, and dispensing it into a plurality of portable potable liquid containers, such as water bottles.