The J4624 vacuum gauge measures 2.5x30" with a 300# HG capacity and features a 1/4" NPT connection. This gauge is specifically designed for vacuum applications, providing accurate readings essential for maintaining optimal conditions in various processes. Constructed from durable materials, it ensures longevity and reliability in demanding environments. The gauge's clear dial allows for easy visibility of measurements, making it suitable for both industrial and laboratory use. Its compact design facilitates installation in limited spaces, while the 1/4" NPT connection ensures compatibility with standard fittings.