3-hole 4-inch installation 1/4 turn handle stops Standard mounting deck thickness can be extended by 1.25 - inch with RP76691 ADA compliant Delta WaterSense labeled faucets use at least 20% less water than the industry standard — helping you save water without compromising performance Rigid spout does not swivel 1/2-inch IPS connection Faucet and Finish Lifetime Limited Warranty