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: Durable design with a brass body, polycarbonate case, and lens. Resists pressure fluctuations and environmental exposure for long-lasting reliability. SIMPLE INSTALLATION: Threads directly into place without additional tools or parts, making it ideal for replacing damaged or worn gauges quickly. OPTIMAL FILTRATION MAINTENANCE: Enables regular pressure monitoring to improve filtration efficiency and backwash timing, helping maintain clean and clear pool water. WIDE COMPATIBILITY: Fits Pro Series models S140T, S144T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S164T, S166T, S210S, S244S, S310S, S160T, S200, S240, S245T, S190T, and MicroClear vertical grid DE filters EC30, EC40. ACCURATE READINGS: Provides reliable pressure measurements in both psi and MPa. Design and labeling may vary slightly by batch, but functionality remains consistent. COLOR: As shown. MATERIAL: Steel. PACKAGE CONTENTS: 2 x Filter pressure gauges. No other items included. NOTE: Lighting and screen settings may cause slight color variations. Measurement tolerance: +/- 1-3 cm.