INSTALLATION: Designed to fit single-hole or 3-hole, 4-in. configurations. For 3-hole installation, purchase deck plate RP77702 separately COMPLETE FLEXIBILITY. The high arc design swivels 120 degrees for added convenience during everyday kitchen tasks SINGLE-HANDLE DESIGN: The single-handle lever makes switching from hot to cold water easy LIFETIME LIMITED WARRANTY: You can install with confidence, knowing this bar faucet is backed by Delta Faucet's Lifetime Limited Warranty ADA COMPLIANT: This product meets standards set by ADA (Americans with Disabilities Act)