the back plate attaches to the wall with four screws

Bradley 102-066A Shroud-66"-Column Shower Replacement Part

Inlet: 1/2" MNPT

When the bottom roll is completely finished and removed

Milwaukee Valve 6 in Cast Iron Double Acting Pneumatically Actuated Butterfly Valve With EPDM Seat Material - GLA23E D 6 Width-14" the back plate attaches toIdeal for use in industrial and domestic applications, this MILWAUKEE VALVE pneumatically actuated butterfly valve is also suitable for hot and cold domestic water, HVAC, condenser and chilled water, compressed air, and vacuum service. Valve requires an 80 psi air supply, and air to open and close the valve. Compatible with ANSI Class 125 and 150 flanges.