Improve the taste and quality of your drinking, cooking, and beverage-making water with this filter cartridge. Oasis provides a superior green filter system that eliminates bad tastes, odors, and sediments, delivering great-tasting water without the hassle or price of other filtration systems. The Galaxi's unique filter design combines activated carbon with a cellulose-free synthetic fiber matrix. Superior to traditional active carbon filter elements, the Galaxi takes water filtration to the next level. Water Filters Type: Water Filter Cartridge.