The ARRAY water filtration system by BRICKs combines multiple water treatment methods to meet water purification needs depending on water quality. The system consists of different filter cartridges, such as Poly Propylene, Active Carbon, Ultra Violet, Ultra Filtration, and Reverse Osmosis. Consumers can then select the type of water filter they need based on the quality of the water in their area. They can easily add, remove, and replace filter cartridges to suit their needs.