Description The Black Gauge/Air Release Valve Replacement Kit is for use with CV340, CV460, CV580, CL340, CL460, CL580, JS60-SM, JS100-SM, DEV48, DEV60, DEL48, DEL60 Filters. This part is designed to meet the highest standards of performance. It is built to last, allowing for reliability and strength. Made for easy installation and use, it will help ensure the best service life possible.