BLOCKS HOT AIR INCOMES center pivot window sealing kit keeps the warm air from coming back into your room and helps keep the room cooler. Our waterproof window seal keeps out unwanted guests, rain and creates a closed environment that keeps your room co ol for longerEnjoy a cooler environment in summer It seals around the spaces left open by your center pivot window and then zips around the nozzle of your hose(s) and blocks the return flow of warm air, so that your mobile air conditioning unit can be more efficient and cool your room in less time This window vent kit contributes to reduce energy consumption and to lower carbon dioxide emissions, which is particularly high in summer due to the massive use of air conditioning. Preventing warm air circulating in your room, window seal helps you save money on el electrical bills center pivot window seal kit includes 2 clothes (long 190 cm each). Measure the perimeter of your window to select the right size. This size is suitable for center pivot roof windows with a perimeter up to 390cmEASY TO INSTALL NO HOLES NEEDED. You dont have to buy window kits or adapters for your hose.color: WhiteSize: 190cm