The Advanced FIT line of air-operated double-diaphragm (AODD) pumps from Wilden Pump & Engineering precisely fit bolt to bolt and pipe to pipe in existing fluid-handling piping systems to provide increased performance with no repiping necessary. They have been engineered to be an easy, cost-effective way to enhance and upgrade existing pump performance with bolted product containment. 909/422-1730; www.wildenpump.com.