The rotary press from Fournier Industries uses two slowly rotating screens to create a 2-inch channel that biosolids pass through as they dewater. A pressure restrictor on the outlet allows the operator to vary final cake dryness. The unit has few components and is designed for ease of maintenance. The totally enclosed design mitigates odors and keeps operators out of direct contact with biosolids. The control system allows for unattended operation. The unit can be equipped with a single dewatering channel or expanded with up to six channels. 418/423-4241; www.rotary-press.com.