The FULHAM IH3-UNV-272-T12HO is an electronic fluorescent ballast for low temperature environments. It is a 120v to 277v ballast for 1-2 Lamp F48T8HO, F60T8HO, F72T8HO, F48T12HO, F60T12HO, F72T12HO, F96T12HO Lamps and Very High Output (VHO) Lamps. It is similar or equal to the Anthony International 60-14693-0005, 60-13078-0003, 60-14728-0001, 60-14728-0001, 60-14762-0001, 60-14762-0004, 60-14762-0003 EL-58148, EL-58248, EL-58160, EL-58260, EL-58172, EL-58272, AE-12240-C, AE-12241-C, AE-12212-C, AE-12213-C, AE-12270-C, AE-12271-C and Ardco C15724P10, 60-14728-0001, 60-13078-0003.