American Standard 4356.100.099 Air Gap, Polished Brass American Standard 4356.100.099 Air Gap, Polished Brass Features: • Strong and durable • Finish will not scratch, tarnish or peel, and will last a lifetime • Will mount on surfaces up to 2"" thick • Great option for those thicker solid surface countertops • Coordinates with kitchen faucets and accessories • Meets the IAPMO code requirements"