ARC-HCSET-110-131V1 | Whynter V1 Hose extender set x 2 (Extension Adapter x 2, Exhaust Hose Connector (tab cut outs) x 2, Intake Hose Connector (tab cut outs) x 2)for ARC-110WD, ARC-131GD, ARC-122DS, ARC-122DHP