Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! COMPATIBLE WITH for : for & CV series pool filters (CV340, CV460, CV580, CL340, CL460, CL580); DEL & DEV series D.E. filters (DEV48, DEV60, DEL48, DEL60); series sand filters (JS60-SM, JS100-SM) REPLACE PART: Compatible with for Zodiac R0357200, 4580-003, 17-295-1062, 25357-357-000, R-03572, TLD-101-6000. We came with an extra replacement screws EASY MONITORING OF FILTER PRESSURE:Pressure range: 0-60 PSI, 1/4 inch . The twistable bezel on this air gauge lets you easily monitor the pressure, indicating when it's time to clean the filter. Keep your pool filter running smoothly with timely maintenance SIMPLE AND QUICK INSTALLATION:We have two threads, removing the old air release assembly is easy. Just unscrew the plastic connector, clean out debris, and screw in the assembly. air pressure is released after installation for optimal performance CLEAR AND WEATHERPROOF:Constructed from stainless steel and a parent plastic dial, this pressure gauge is to cracking and fogging. It's built to withstand tough weather conditions, reducing maintenance costs and time Color: As Shown Material: plastic Package Contents: 1 x R0357200 Air Gauge Release Valve Assembly 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.