Introducing the Harris Calorific VWR Outlet Needle Valves—your reliable solution for precise gas flow control. Designed with a chrome-plated finish, these valves not only offer durability but also a sleek appearance. Featuring a 6.4 mm (1/4 NPTM) to 6.4 mm (1/4 NPTM) connection, they ensure compatibility with a variety of gas regulators. Perfect for laboratory and industrial applications, these needle valves allow for fine adjustments, making them essential for any gas management system. Upgrade your setup with these high-quality accessories for enhanced performance and safety.