The High Performance Series multistage centrifugal blower from Hibon — Ingersoll Rand provides a high volume and pressure range. The blower combined with advancements in variable-speed control allows for a high-efficiency aeration solution. The systems can be provided in traditional open configurations or with acoustical housings and integrated PLC/HMI controls suitable for outdoor operation. Individual models are capable of airflow to 34,000 cfm and a pressure rise of 16 psig. 317/773-7256; www.universalblowerpac.com.