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 and optimal filter performance. ROBUST CONSTRUCTION: Built for durability, this gauge has a brass body with a polycarbonate case and lens. It resists pressure fluctuations and environmental exposure, ensuring long-term reliability. SIMPLE INSTALLATION: Designed for easy replacement, it threads directly into place without additional tools or parts. OPTIMAL FILTRATION MAINTENANCE: Regular pressure monitoring helps optimize filtration and backwash cycles, supporting clean, clear pool water. COMPATIBLE MODELS: Compatible with Hayward Pro Series sand filters (S140T, S144T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S164T, S166T, S210S, S244S, S310S, S160T, S200, S240), MicroClear vertical grid DE filters (S245T, S190T), and Perflex DE filters (EC30, EC40). ACCURATE READINGS: Provides precise pressure readings in psi. COLOR: As shown MATERIAL: Brass body, polycarbonate case and lens PACKAGE CONTENTS: 2 × ECX270861 Filter Pressure Gauges NOTE: Color appearance may vary slightly due to screen settings and lighting. Measurement tolerance: ±1–3 psi.