The Krowne Metal 21-402L is a set of two medium adjustable supply inlets designed for versatility and compatibility. With a total adjustable range of 1 inch and a 1/2" NPT female inlet, these inlets offer flexible installation options. They are low lead compliant, ensuring safety and adherence to health standards. The adjustable centers make them interchangeable with most brands, providing convenience and ease of use in various plumbing setups. Ideal for enhancing your faucet system, these inlets combine quality and functionality.