Adjustable sealing cloth ensures airtights insulation for portable air conditioning units, suitable for sliding, casement, window up to 92cm length Crafted with waterproof polyester with zips hose port, this tool frees install set left not residues while blocking heat / cold transfer through window Perfect fo cooling in apartments with tilt and turn window or studios using portable air conditioning / dehumidifiers, energy leaks around exhaust hoses Ideal for renters, homeowners, and spaces needing temporary climates control solution without permanent window modifications Removable design maintains window functionality simply unzip to open / close panes while preserving the sealing strips