Replacement Glass Rod - Finish - - Mounting Peak Output (dBA) - Flash (Candela) - Standby Current (uA) - Depth (In.) 1/8 in Height (In.) 1/8 in Length (In.) 3 in Width (In.) - Duct Opening - Duct Width (Ft.) - Coverage (Square-Ft.) - Alarm Aux. Contact @ 250V - Alarm Aux. Contact @ 30VDC - Alarm State (mA) - Humidity Range ( Percent RH) - Number Required - Standby State (mA) - Voltage - Standards - Includes - For Use With 278B-1120 Mfr No 278B-1110 Package Quantity 20