Extraction Arm Product Type Extraction Arm Compatible Extractor Manufacturer Part Number K1654-5 K1654-6 K1656-4 K3681-1 K3681-2 Hose Inside Diameter 3 in Overall Length 7 ft Compatible Extractor Series Prism 2400 Prism 4200 Prism Wall Mount Extraction Arm Diameter 8 in Nozzle Width 8 in