Toto Lf Series 1.2 GPM Single Handle Bathroom Sink Faucet with Drain AssemblyThe TOTO LF 1. 2 GPM Single Handle Bathroom Sink Faucet is designed for everyday use in mind. The spout is more compact with just the right sense of presence, yet provides ample flow and volume. The single lever allows for complete control over water volume and temperature. The LF faucet uses low conductivity materials for parts that comes into contact with the handle. This safe design inhibits the heat flow, keeping the handle from getting too warm.