Knoll Chip Conveyor System Knoll Chip Conveyor for HW25-12 Hydromat Chip Conveyor Knoll Chip Conveyor for Hydromat Hydromat HW25-12 Chip Conveyor Hydromat Chip Conveyor Knoll Chip Conveyor System for HW25-12 Hydromat. (2 Available) Model: Knoll Chip ConveyorBrand: HydromatCondition: UsedVertical Tabs