DIY-Air Condition - AirLock- Hot Air Stop - Window adapter and installation for hot air hose / tube

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HOOMEE Universal Window Seal for Portable Air Conditioner (Bestseller on )

TOPOWN 400CM Airlock Universal Window Seal for Mobile Air-Conditioning and Tumble Dryer, Hot Air Away, Easy to Install, No Need for Drilling Holes, White : : Home & Kitchen

Window Seal for Mobile Air Conditioners, Hot Air Stop for Attaching on Windows, Casement Windows, Air Conditioner, 300cm

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I got this AC unit free but doesn't come with a window piece. Any ideas on how I can block out the ventilation? About 40inch high : r/HomeMaintenance

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TROTEC AirLock 100 Window Seal for Portable air conditioners and Tumble Dryer Hot Air Stop : : Home & Kitchen

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