The J6405P is a 63MMx30" HG liquid-filled vacuum gauge designed for accurate pressure measurement in various applications. This gauge features a 1/4" NPT center back connection, ensuring compatibility with standard fittings. The liquid fill provides enhanced stability and protection against vibration, making it ideal for industrial environments. Constructed with durable materials, it meets industry standards for reliability and performance. Its compact size allows for easy installation in tight spaces, while the clear dial ensures easy readability of pressure levels.