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The K-R30577-4D single-handle bathroom sink with a lever handle has a warm, contemporary design. Cursiva pairs crisp lines with softened geometric surfaces.


  • Single-lever handle is simple to use and makes adjusting water temperature easy
  • One-piece, self-contained ceramic disc valve allows both volume and temperature control
  • KOHLER ceramic disc valves exceed industry longevity standards for a lifetime of durable performance
  • 1.2 GPM (4.5 LPM) maximum flow rate at 60 psi (4.14 bar)
  • Box includes: assembled faucet, supply lines, escutcheon plate, clicker drain
  • Premium material construction for durability and reliability
  • KOHLER finishes featuring ScratchShield technology withstand even the toughest daily use
  • For single-hole or 4 in. (102 mm) centers
  • Simplified faucet assembly; mounting hardware requires no special tools
  • The product can help a building earn Water Efficiency points in LEED green building rating system
  • WaterSense


  • Brand: Kohler
  • Color: Polished Chrome
  • Faucet Height: 7.8125 In.
  • Spout Height: 5.75 In.
  • Spout Reach: 5 In.
  • Connection Size: 3/8 In.
  • Maximum Deck Thickness: 1.5 In.
  • Cartridge Valve Type: Ceramic Disc Faucets
  • Faucet Hole Fit: 1
  • Handle Type: Lever Handle
  • Material: Metal
  • Flow Rate: 1.2 GPM