Whynter ARC-EH-1113-SET V1 Intake and Exhaust hose set for Portable Air Conditioner Models ARC-110WD & ARC-131GD Whynter V1 Intake and Exhaust hose set for Portable Air Conditioner Models ARC-110WD & ARC-131GD Large exhaust hose 5" diameter and small intake hose 4.3" diameter Extendable up to 47"