Check the listing for details. XerXes 1/2 in. In-Line Water Pipe Barbed Plastic Shut-Off Valve (2 Pack). Condition: New. Listed at 12.99 USD. Introducing the XerXes 1/2 in. In-Line Water Pipe Barbed Plastic Shut-Off Valve (2 Pack) for your hydroponics or outdoor living needs. This valve is designed to fit seamlessly into your existing water system, providing an easy shut-off solution. Made with durable plastic and featuring barbed ends for easy installation, this valve is a reliable choice for any water control needs. With XerXes as the brand behind this product, you can trust in the quality of this shut-off valve. And with non-domestic and custom bundle aspects not applicable, this valve is a straightforward and simple solution for your water control needs. Shop now and take control of your water system with the XerXes 1/2 in. In-Line Water Pipe Barbed Plastic Shut-Off Valve (2 Pack).