ZZ Series dual splash lube blowers from Eurus Blower are ISO 2009 certified. They are drop-in replacements for Roots URAI and Sutorbilt Legends models and come in 3-, 4- and 5-inch gear sizes. The blowers are constructed of heavy-duty cast iron and have high-end brand bearings and precision-machined gears. They can be used for any wastewater treatment plant application requiring 50 to 500 cfm and pressures to 15 psi. 630/221-8282; www.eurusblower.com.