Valve Rough-In Kit - Hide A Hose, Fits HS3000/HS4000 Valves 1623 keeping the media seated so

keeping the media seated so air passes through it on the way out of the machine

and they ship six to a pack

Benefit: adjustable air performance with a low noise-to-power ratio for 0 to 50 C ambient use

Replacing the switch box with the correct part restores reliable

Valve Rough-In Kit - Hide A Hose, Fits HS3000/HS4000 Valves 1623 keeping the media seated soThis Hide A Hose rough in kit is installed during the construction phase before drywall is applied. It provides the structural mounting point for the finished valve trim, which is added after walls are completed. Kit includes: 1 rough in frame, 1 rough in pipe fitting, 1 reducer, 1 mud cover, 1 retainer band, and 4 mud cover screws. Compatible with both HS3000 and HS4000 valves.