... at 7m around the soundproof≤80dBA Standard AccessoryCommon steel base frame, Circuit breaker, Damper, Exhaust silencer, Flexible pipe, ... Alternator space heater, Cooling for heat exchanger, Control system with RS232/485 communication interface, Battery charger by ... -water separator, Daily fuel tank, ATS & paralleling system, Soundproof Canopy, Moving Trailer.Soundproof canopy description With special ...