the unit requires a rough opening that measures 15-3/4 inches in length by 54-1/2 inches in height by 2 inches in depth

Ring to Ring Center 8-11/16"

The Bradley S19294HBT is a concealed Halo eyewash unit designed to be mounted between standard 16" wall studs

5 inches and has a maximum capacity of 20 gallons

CSA Class A

Spears Compact Ball Valve, CPVC, Inline, 1-Piece, Pipe Size 3/4 in, Connection Type Socket x Socket - 2132-007C Height-17-1/4" the unit requires a roughChemical corrosion resistant and fully sealed SPEARS compact ball valve features a self adjusting PTFE floating seat design, and a high impact polypropylene handle. Model is suitable for a variety of chemical process and industrial applications including vacuum service. Designed for horizontal installation, but can be installed in a vertical up flow only orientation.