A system and method for a frac pump. The system includes a turbine. The turbine can be 100% powered by natural gas or other fuels. The turbine, which can have an OEM controller, drives a frac pump. The frac pump is used for fracturing. The system has a controller which controls the system, including the OEM controller. The system has an air filtration system to treat the air entering the turbine. The air filtration system can include a system with no moving parts and no filters. The system fits within a trailer so it can be transported to remote locations. The system is self-sufficient.