In other words

the unit requires a rough opening that measures 16 inches in width by 26 inches in height by 6 inches in depth

Operating Pressure Differential Water: 42 psi

Collapsible Wall Model: 15' X 30' X 1' - Copolymer 2000

The Guardian G1990 is an all PVC combination eyewash and shower safety station that features two GS-Plus spray heads

Milwaukee Valve Class 125 Globe Valve, FNPT x FNPT, Bronze, 1 1/2 in Pipe Size - Valves - 502 1 1/2 Capacity-200 C-fold towels In other wordsThis MILWAUKEE VALVE globe valve is bronze construction with a brass disc ring, packing nut, handwheel nut, and gland. Suitable for use in HVAC and other general commercial and industrial utility applications with hot and cold water, steam, compressed air, and gas.