Fits 1 or 3-hole 4 in. installations. Optional 6-1/16 in. deck plate included for use with additional mounting configurations and a cohesive look. Includes matching-finish plastic pop-up drain assembly. ADA compliant lever handles. WaterSense labeled faucet uses at least 20% less water than the industry standard without compromising performance. Rigid spout. Backed by Delta Faucet's Recertified 10-year Limited Warranty | Delta® Larkin™ Centerset Bathroom Faucet 1L (Recertified), Black, 15890LF-BL