Watts Pressure Regulator, Lead Free Brass, 3 to 50 psi - 1/2 LF 26AB Capacity-44 oz the receptacle has two keyholes

the receptacle has two keyholes over studs at the bottom and two tamper-resistant screws at the top

but is less likely to show fingerprinting that polished surfaces

this MOEN COMMERCIAL mop sink faucet comes with vandal-resistant TORX head screws

The outlet heads are mounted 5" apart and the unit includes a forged brass diverter valve and three adaptors for easy installation on most faucets

front return edge hemmed for rigidity and safety

Watts Pressure Regulator, Lead Free Brass, 3 to 50 psi - 1/2 LF 26AB Capacity-44 oz the receptacle has two keyholesPressure Regulator; Series: LF26A; Body Material: Lead Free Brass; Inlet Size: 1 2 in; Outlet Size: 1 2 in; Length: 2 1 8 in; Height: 4 3 8 in; Pressure Adjustment Range: 3 to 50 psi; Max. Temp.: 140 Degrees F; Max. Pressure: 300 psi; Standards: NSF Approved