The 2 1/2" X 1/4" LM 0-100# from SEALFAST is a precision gauge designed for accurate pressure measurement in various applications. This gauge features a durable construction that ensures reliability and longevity, making it suitable for industrial and commercial use. With a pressure range of 0-100 PSI, it provides clear readings for monitoring system performance. The 2 1/2" size allows for easy installation in standard fittings, making it a versatile choice for professionals in plumbing, HVAC, and manufacturing.