Grohe 23 129 A Features: Covered under Grohe's limited lifetime faucet and finish warranty Faucet body constructed of solid brass Metal drain assembly activated by lift rod Stainless steel braided flexible supply lines Temperature limiter SilkMove ceramic disc cartridge: A lifetime of maintenance-free operation EcoJoy - less water and perfect flow Starlight finish - designed to be extremely resistant to dirt and scratches ADA compliant - complies with standards set forth by the Americans with Disabilities Act Low lead compliant - meeting federal and state regulations for lead content Grohe 23 129 A Specifications: Overall Height: 7-5/16" (measured from counter top to the highest part of the faucet) Spout Height: 3-5/8" (measured from the counter top to the spout outlet) Spout Reach: 4-1/16" (measured from the center of the faucet base to the center of the spout outlet) Installation Type: Single Hole Number of Holes Required for Installation: 1 Flow Rate: 1.2 GPM (gallons-per-minute) Maximum Deck Thickness: 1-3/16" Grohe 23 129 A Technologies and Benefits: Starlight Finish: Grohe plates sub layers of copper and/or nickel to ensure that a completely non-porous, immaculate surface awaits the chrome layer. This deep, even layered chrome surface creates a luminous and mirror like sheen. SilkMove Cartridge: As you change the temperature from hot to cold, one ceramic disc glides effortlessly across the other with absolute precision. These cartridges are manufactured in a high-tech process and feature discs made from a space-proven ceramic alloy. QuickFix: Precision engineering has enabled Grohe to simplify the installation process by reducing the complexity and number of parts required to fit a product. This installer-focused technology can reduce installation times by up to 50%, saving both time and money. Variations: 23 129 A: This Model 23 129: This model with 1.5 GPM flow rate 20 370 A: Widespread version of this model 23 133 A: This model without drain assembly 23 184 A: High-spout version of this model