supply of industrial rotary desiccant dehumidifier (silica gel rotor type), complete with fan, regeneration heater, rotor motor, con , industrial rotary desiccant dehumidifier (silica gel rotor type), complete with fan, regenera tion heater, rotor motor, control panel, filters, humidistat connection, safety protections, and all standard a ccessories, suitable for locomotive electrical equipment application; model bld-400, dr-20b or equivalent make. detail specifications are provided in the attached document. [ warranty period: 30 months after th e date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]