The Husky 3/8 Inch Air Regulator 858 404 is a reliable and efficient tool for controlling and regulating air pressure in various industrial applications. With a port diameter of 3/8 inches, this regulator is designed to provide precise and accurate control over air pressure, ensuring optimal performance and safety. The brand reputation of Husky adds confidence in the quality and durability of this product, making it a valuable addition to any business or industrial setting. Plus, with free shipping included, it's a convenient and cost-effective choice for those in need of a top-notch air regulator.