ANYAIR Universal Window Seal for Portable Air Conditioners, Casement Windows Only, Easy to Install, 118 inches x 16 inches

ANYAIR 118 inch x 16 inch Universal Window Seal for Portable Air Conditioners, Casement Windows Only (Not compatible with sliding windows). Our window seal keeps warm air out from your air conditioner hose coming back into your room and keeps your room cool. The window seal creates a barrier around your open window, zips around your portable air conditioner exhaust hose and blocks the warm air from outside and makes your air conditioner much more efficient.