2Pcs Filter Pressure Gauge for Hayward Pro Series Sand Filter Model PRECISE & RELIABLE: Upgrade your pool's filtration system with this 1/4 inch NPT bottom threaded pressure gauge, designed specifically for select Hayward sand and DE pool filters. It offers a 0–60 psi range, ensuring accurate pressure monitoring for optimal performance. ROBUST CONSTRUCTION: Built to last, this pressure gauge combines a sturdy brass body with a polycarbonate case and lens. It is designed to resist pressure fluctuations and environmental conditions, ensuring durability and reliability through numerous pool seasons. SIMPLE INSTALLATION: This gauge is user-friendly with its easy installation process. It threads securely into place without the need for additional parts or tools, making it ideal for quickly replacing a worn or damaged gauge. OPTIMAL FILTRATION MAINTENANCE: By regularly monitoring the pressure, this gauge helps optimize both filtration and backwash functions. Monitoring pressure ensures clean and clear pool water, enhancing overall pool performance. Compatible with: Pro Series S140T, S144T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S164T, S166T, S210S, S244S, S310S, S160T, S200, S240 sand filters; MicroClear vertical grid DE filter S245T, S190T; Perflex EC30, EC40. ACCURATE READINGS: Provides precise pressure readings using psi measurement. Appearance and printed markings may vary by batch, but functionality remains unaffected. Color: As shown Material: Brass body with polycarbonate case and lens Package Contents: 2 × ECX270861 Filter Pressure Gauges Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.