This attachment allows you to feed your portable air conditioning duct vent through the window and reduce the opened area due to the design,which makes your air con more efficient. Sizes are in the pictures provided.
Air conditioning exhaust window vent adapter
Portable Air Conditioner Exhaust Hose Coupler Window Adapter A/C Unit Tube Connector Square to Round Window Adapter for Air Conditioning Exhaust Port, fit 5.9in Diameter
Window Seal for Mobile Air Conditioning - Drill-Free 401 cm with Adhesive Closure, Window Seal Set for Air Conditioning Exhaust Air, Home, Dorm, Hotel Room, Classroom and Small Shops
Mobile Air Conditioning Window Seal - Drill-Free 401 cm Waterproof Window Seal Set for Air Conditioning Exhaust Air - for Home, Home Office, Dorm, Hotel Room
Window Seal for Mobile Air Conditioning | Drill-Free 401 cm Waterproof | Window Seal Set for Air Conditioning Exhaust Air, Home, Dorm, Hotel Room, Classroom and Small Shops
Portable Air Conditioner Window Seal Kit, 2PCS/Set AC Window Seal Kit, Telescopic Length Range 83 to 100cm, Sealing Plate Air Con Window Seal for Air Conditioning Exhaust Hose
