Aqua Osmosis stainless steel panel-mount needle valves deliver superior quality at an industry-leading value. These valves feature low operating torque for leak-tight sealing and reliable shutoff. Their precision engineering ensures accurate water flow regulation, a high flow coefficient, and minimal pressure drop. Built with a durable stainless steel stop pin and an aluminum bar handle, these valves are available in 1/2″, 3/4″, and 1″ female NPT sizes.