No separate faucet required. Perfect for under-mount sinks, solid surface, or granite countertops where drilling an extra faucet hole may not be feasible. The PBS-400 delivers water at a 2.2 gal/min flow, so it’s designed for filtering the water at your prep sink, pot filler and wet bar. System Height: 20” (Includes 2½” of clear space under unit for cartridge change). Recommended cartridge change—every 12 months. Finely polishes treated water to premium quality for drinking, cooking and making ice. Reduces chlorine, taste, and odor. Reduces dirt, rust, and other particulates such as oxidized iron, manganese and sulfides. Reduces parasitic protozoan cysts such as Giardia, Entamoeba, and Cryptosporidium. Reduces common earthy, moldy, fishy tastes and odors. Reduces lead to below the Federal Action Level. Inhibits limescale build-up in water-using appliances — as tested by Everpure.