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 across multiple pool seasons. SIMPLE INSTALLATION: This gauge features user-friendly installation. 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: Regularly monitoring pressure helps optimize filtration and backwash functions. Consistent pressure monitoring supports clean, clear pool water and enhances overall pool performance. COMPATIBLE MODELS: Hayward Pro Series S140T, S144T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S164T, S166T, S210S, S244S, S310S, S160T, S200, S240; MicroClear Vertical Grid DE Filter S245T, S190T; Perflex EC30, EC40. ACCURATE READINGS: Provides precise pressure readings using both psi and MPa measurement scales. COLOR: As shown MATERIAL: Brass body with polycarbonate case and lens PACKAGE CONTENTS: 2 × ECX270861 Filter Pressure Gauges Note: Light reflection and display differences may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.