The 7.5HP Direct Drive system by Oneida Air delivers maximum airflow performance and continuously high suction power  in a cost-effective package, the company says. It features a US-made motor, heavy-gauge solid welded steel cyclone separator, industrial Spunbond filter stacking system, and magnetic starter with overload protector. Choose from 230V or 460V as well as waste disposal options of up to 110 gallons or airlock configuration. The company offers free dust collector consultations.