【Improved Air Circulation】This portable air conditioning vent hose adapter most flat exhaust ducts It boosts efficiency and supports stable cooling performance for your portable for daily routine use 【 ABS Material】Manufactured with premium ABS, this vent hose adapter features properties The precisely crafted flat port structure enables usage and reinforced airtight connection to reduce air leakage 【 Fit for Daily Indoor Spaces】This AC vent adapter acts as a venting solution for homeowners, renters and workers It adapts to portable air conditioning units and meets ventilation demands for small living areas and workspaces 【 Multi-Scene Ventilation】The hose adapter helps guide hot exhaust air out from portable air conditioners It works well for garages, sunrooms and temporary workspaces to assist users with daily thermal management and heat dissipation 【 Simple & Fast Installation】Designed with a user-friendly installation structure, this duct adapter can be assembled with existing venting systems in short time It sustains and optimize the overall cooling effect of portable air conditioners all year long, Manufacturer: QRZMEDU