High Accuracy Measurement : Ensures precise readings with excellent airtightness, making it ideal for applications requiring consistent pressure monitoring. Durable Brass Construction : Built with corrosion-resistant brass and an alloy housing, offering long-lasting performance in challenging environments. Transparent Dial Cover : Provides clear visibility of the scale, ensuring easy and accurate reading under various lighting conditions. Versatile Compatibility : Features a bottom mount connection with 1/8 inch BSPT thread, fitting a wide range of systems including water, oil, air, and gas. Fits Hayward Filter Models : Designed to seamlessly replace ECX270861 and compatible with multiple Hayward sand and D.E. filter models. Engineered for reliability and precision, this Mechanical Pressure Gauge is a robust solution for monitoring pressure levels across a variety of fluid systems. The gauge features a high-accuracy mechanism that ensures stable and dependable readings, supported by superior airtight construction. Crafted from durable brass with a corrosion-resistant finish, it's built to withstand demanding environments. The transparent dial cover allows for quick and clear visual access, while the metal outer case protects internal components from wear and damage. Its versatile 1/8 inch BSPT bottom mount thread makes installation straightforward and ensures compatibility with many systems including air compressors, hydraulic equipment, and filtration units like select Hayward models. Whether used in industrial, automotive, or home applications, this pressure gauge delivers consistent performance you can trust.