General description Upgrade your filtration system with this 2Pcs ECX270861 Filter Pressure Gauge, designed specifically for select sand and DE pool filters. This 1/4 inch NPT bottom threaded pressure gauge offers a 0-60 psi range, ensuring accurate pressure monitoring for optimal performance. Technical specifications Pressure range: 0-60 psi Thread size: 1/4 inch NPT Material: Brass body with polycarbonate case and lens Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with sand filters: S140T, S144T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S164T, S166T, S210S, S244S, S310S, S160T, S200, S240 Compatible with MicroClear vertical grid DE filter: S245T, S190T Compatible with EC30 and EC40 Installation User-friendly installation process Threads securely into place without the need for additional parts or tools Ideal for quickly replacing a worn or damaged gauge Usage Regularly monitor pressure to optimize filtration and backwash functions