Grohe 31251000 GROHE Blue Chilled & Sparkling Dual function Kitchen Faucet GROHE SilkMove: for a lifetime of smooth operation. 180 Swivel spout for easy sink access Separate LED rotary knob for filtered and chilled, medium sparkling or full sparkling water. Includes a 158 gallon 4-stage filter with adjustable filter head, GROHE Blue carafe, water pressure regulator, CO2 pressure regulator and electrical plug-ins. CO2 tank and cleaning kit not included