This Elavo square shape of this undermount sink complements a range of decor styles from classic to contemporary. The naturally hygienic, non-porous surface is coated with a premium baked-on glaze, for an easy-to-clean high-gloss finish. This model is ideal for retrofitting, with a drain opening designed for standard US plumbing connections. Pair this sink with a centerset or widespread faucet for a beautifully coordinated bathroom. Seamless undermount installation Durable and scratch-resistant non-porous finish Standard 1 3/4" drain opening works with pull-up and pop-up drains with overflow Built-in overflow Co-ordinates with all Kraus basin, centerset and widespread faucets Easy-to-clean polished surface All mounting hardware included The bowl is seamlessly mounted under the countertop giving an elegant appearance Codes/Standards Meets ASME A112.19.3/CSA B45.4 cUPC listed Key Features & Innovations Easy-to-Clean Premium baked-on glaze resists dirt and wipes clean for easy maintenance. Non-Porous Surface Smooth and naturally impermeable ceramic surface protects sink from water damage. High-Gloss Finish Sturdy construction will not discolor, crack, or chip with everyday use. Glossy surface creates a clean, light look that matches most coutertops. Naturally Hygienic and Durable Strong and lightweight material used extensively in healthcare applications. Limited Lifetime Warranty Kraus is proud to offer fixtures and accessories engineered for a lifetime of outstanding performance and backed by our limited lifetime warranty.