SDB08-1/4HP DOWNBLST CENTRIFUGAL ROOF EXHAUST SDB08 BASE UNIT (1/4HP TO 1/3HP) 1/4HP 115/208-230 1725 RPM ODP 1/2" SHAFT WIRE MOTOR FOR 115 VOLT NEMA1 1PH 115-230V 1-2HP MAX SW/ASSY MOUNT & WIRE DISCONNECT FOR DB/TXB DP SDB08 1/4HP 1776-2100RPM (1/2) 12 X 12 AUTO EXHAUST DAMPER 16-1/2" SQ GALV RF CURB 12" HIGH W.D.T. LABEL UL/CUL 705 LISTED POWER VENT (709J)