For those who wish to replace their current air gap cover, this solid brass air gap cover is available in finishes to complement KOHLER faucets. This cover has an attractive style that is easy to . Kohler K-35714 Features: Constructed of solid brass Prevents drain water from the sink from backing up into the dishwasher possibly contaminating dishes Includes air gap cover and collar Coordinates with traditional and transitional designs All hardware required for installation is included Kohler K-35714 Specifications: Height: 2-11/16" (from counter surface to top of air gap) Width: 2-1/8" (left to right) Installation Hole Size: 2-1/8