4" with 1" return to wall (14 gauge)
To produce the cabinet and door
the unit has a stainless steel collar and measures 17-3/8 inches in width by 30-5/8 inches in height by 4-1/4 inches in depth
Bobrick B-580616x18 Vinyl-Coated Grab Bars W/ Snap Flange
CABINET: heavy gauge stainless steel
Nidec US Motors 6129 Condenser Fan Motor, 1/4 HP, PSC, 1625 RPM, 208-230V Bradley - Frequency Lavatory Sinks 4" with 1" return toFeatures: Capacitor Incl. Item: Condenser Fan Motor, Motor Type: PSC, HP: 1 4, Nameplate RPM: 1625, Voltage: 208 230, Enclosure: Drip Proof, Rotation: CW CCW, Hz: 60, Phase: 1, Speeds: 1, Mounting: Resilient, Bearings: SAB, Shaft Type: Flat, Shaft Number: 1, Shaft Length: 2. 3", Shaft Dia.: 0. 5", Protection: Auto, Thermal Protection: Yes, Cooling: Air Over, Capacitor: 5M 370V.