Compatibility: ECX2712B1 pressure gauge compatible with for Pool Filter DE, and Sand Filters,XStream and SwimClear Filters,ProGrid DE Filter,DE 6020 and more. ECX2712B1 direct replacement for most rear-mounted pool and spa pressure gauges. Precision Detection: ECX2712B1 pressure gauge features a 2-inch diameter high-visibility dial with a measurement range of 0-60 psi and an accuracy of +/-3-2-3% to accurately track filter pressure conditions. and easy to read: ECX2712B1 is made of metal that is waterproof and for . The adjustable pointer is designed to visually compare data and indicate when the pool filter needs to be cleaned. Compatible Models: ECX2712B1 boxed pressure gauge fits HCF7303C DEP100 DE7220 C2030 C3030 C4030 C5030 EC65 EC65A EC75 EC75A and more. EASY INSTALLATION: Simply screw the ECX2712B1 gauge onto the pressure port of your filtration system and turn off the pump before installation. Color:Black Material:Metal Package Contents: 1 * Pressure gauge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.