PRECISE & RELIABLE: Upgrade your pool's filtration system with this 1/4 inch NPT bottom threaded pressure gauge, designed for select Hayward sand and DE pool filters. It features a 0-60 psi range for accurate pressure monitoring to maintain optimal filter performance.ROBUST CONSTRUCTION: This pressure gauge is built for durability with a brass body, polycarbonate case, and lens. It resists pressure fluctuations and environmental exposure, ensuring long-term reliability across multiple pool seasons.SIMPLE INSTALLATION: Designed for easy replacement, this gauge threads securely into place without requiring additional tools or parts, making it ideal for replacing damaged or worn gauges quickly.OPTIMAL FILTRATION MAINTENANCE: Regular pressure monitoring helps optimize filtration and backwash cycles. Maintaining proper pressure supports cleaner, clearer pool water and improves overall system efficiency.WIDE COMPATIBILITY: Fits Pro Series models S140T, S144T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S164T, S166T, S210S, S244S, S310S, S160T, S200, S240, S190T, S245T, and MicroClear vertical grid DE filters EC30, EC40.ACCURATE READINGS: Provides reliable pressure measurements in both PSI and MPa for consistent monitoring and system maintenance.DURABLE DESIGN: Constructed with high-quality materials to withstand regular use in pool environments.Color: As shown Material: Steel Package Contents: 2 x Filter Pressure Gauge Note: The product appearance and printed text may vary slightly by batch, but this does not affect functionality. Lighting and display differences may cause slight color variations. Measurement error allowed is +/- 1-3 cm.