Equipment Snapshot: Requiring no metal-free area above or below its sensing head, the Eriez Xtreme vertical form/fill/seal (FFS) metal detector is built for installations in space-restricted areas below FFS packaging machines. It can be connected directly to an existing stainless steel hopper and forming tube with Jacobs connectors. Conforming to the standards for food processing environments, the unit features food-grade pipe and stainless steel construction, and comes in 3-, 4-, 6-, 8- and 10-in. aperture sizes to meet a range of application needs. It can detect metal spheres down to 1 mm in size.