The Speakman Lifesaver SE-237 Ceiling Mounted Horizontal Emergency Shower is an emergency deluge shower unit with wall recessed activator. The showerhead is supplied with a 1 In. NPTF stay-open full flow ball valve that is activated by pull handle that is recessed inside wall cabinet. The SE-237 is compliant to the ANSI/ISEA Z358.1 standard & OSHA. Speakman SE-237 Features: Semi-recessed wall mount activator Recessed deluge shower head Internal 20 gpm flow control Stainless steel cabinet Speakman SE-237 Specifications: Length: 5-1/2 (left to right) Width: 9-1/4 (front to back) Height: 17-1/16 (top to bottom) Showerhead Width: 10 (left to right) Flow Rate (GPM): 20 gallons-per-minute