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 ensure optimal filter performance. ROBUST CONSTRUCTION: Built for durability, this pressure gauge has a brass body with a polycarbonate case and lens. It resists pressure fluctuations and environmental exposure, providing long-term reliability. SIMPLE INSTALLATION: Designed for easy replacement, this gauge threads directly into place without requiring additional tools or parts, making it ideal for replacing damaged or worn gauges. OPTIMAL FILTRATION MAINTENANCE: Regular pressure monitoring helps maintain efficient filtration and backwash cycles. Keeping track of system pressure supports clean, clear pool water and improves overall system performance. 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; MicroClear vertical grid DE filter S245T; Perflex EC30, EC40. ACCURATE READINGS: Provides clear and precise pressure measurements in both PSI and MPa for reliable system monitoring. Color: As shown Material: Steel Package Contents: 2 x Filter Pressure Gauge Note: Light reflection and display settings may cause slight color variations. Allowable measurement error is +/- 1-3 cm. Product appearance and labeling may vary slightly by batch but do not affect functionality.