Grohe Atrio New Single Hole Two-Handle Vessel Sink Faucet without Handles, 1.2 GPM (4.5 L/min) - 21161Grohe Atrio New Single Hole Two Handle Vessel Sink Faucet Without Handles 1. 2 GPM 21161 High arc vessel sink faucet with separate handle options for a custom look. Features Single hole installation for vessel sinks Two handle design (handles sold separately) Compatible with cross handles (14215) or lever handles (14216) High arc swivel spout for added clearance and flexibility GROHE SilkMove ceramic cartridge for smooth control GROHE EcoJoy