You can install with confidence, knowing that Delta faucets are backed by our Lifetime Limited Warranty. Delta WaterSense labeled faucets, showers and toilets use at least 20% less water than the industry standard—saving you money without compromising performance. 2 or 3-hole 4" installation Less pop-up ADA Compliant Fittings are ½ inch NPSM with 4 inch spacing WaterSense® labeled faucet uses at least 20% less water than the industry standard without compromising performance Rigid spout Overall Height (in.) : 4-7/8 Flow Rate : 1.20 gpm @ 60 psi, 4.5 L/min @ 414 kPa Valve Type: DIAMOND(TM) Seal Valve