The Elkay A56049R NK aerator 220_17_950 is a high-performance aerator designed to enhance water flow efficiency in faucets. This aerator features a precise flow rate, optimizing water usage while maintaining pressure. Constructed from durable materials, it ensures longevity and resistance to mineral buildup, making it easy to maintain. The aerator is compatible with various Elkay faucet models, providing a seamless fit and easy installation. Ideal for both residential and commercial applications, it meets industry standards for water conservation and performance.