Additional Details ------------------------------ Product description: The 3 M 62144 13 is a 1/2" NH3-NPT Head w/Gauge for 3 M systems. This commercial filter head incorporates a non-valved head, offers high flow, and includes a gauge 3 M 62144 13 Applications Hot Coffee and Tea Filtered Water Espresso Maker Filtered Water Ice Maker Filtered Water Iced Tea Maker Filtered Water Filtered Water for Cold Beverage Dispensers?