The 3M OCS system ensures consistent high-quality water for hot beverages such as brewed coffee, tea and hot chocolate. Designed to effectively reduce particles, chlorine taste and odor, and scale, it enhances drink quality while protecting your equipment. The system features a high-performance carbon block filter that requires no activation and eliminates the need for an external shut-off valve. With its convenient VH3 valve in head design, installation and maintenance are hassle-free.