Delta Brilliance Finishes Help Keep Your Faucet or Shower Looking Like New for Life, Brilliance Finishes are Durable, Long-Lasting and Guaranteed Not to Corrode, Tarnish or Discolor, Tested against More than 100 Household Cleaners, These Scratch-Resistant Finishes Can Even Withstand Repeated Scouring with Steel Wool; Directional Handle for Rim Flush or Rosette Spray Douche; Hot and Cold Stems are Interchangeable; Control Mechanism Shall be of the Rotating Cylinder Type with 90 Degree Rotation; 4-Hole Installation with Vacuum Breaker; Ceramic Cartridge; ADA Compliant; Lifetime Limited Warranty on Parts and Finish 1/2"-14 NPSM, 5 to 8" Hole Center, Brilliance Polished Nickel, Deck Mount, Bidet Faucet