The QL3B is a commercial-quality filter head designed exclusively to fit Everpure silver canister replacement water filter cartridges. This means the right filtration solution for specific equipment or even a whole site can be selected without having to change filter heads. It will not fit the Everpure Claris or BW/DW range of filters. Features 3/8" BSP Female connections and a solid, durable construction which is ideal for a range of applications including food service and vending.