M-D Side 9 In. W. x 18 In. H. Gray Air Conditioner Insulating Panel (2-Pack) Stringliner built in 10 year lithium

built in 10 year lithium battery means you never need to worry about changing batteries during the lifetime of the alarm

chrome handle

and freezing temperatures

Slide blister packaging is reusable for storage on pegboard by user

M-D Side 9 In. W. x 18 In. H. Gray Air Conditioner Insulating Panel (2-Pack) Stringliner built in 10 year lithiumFoam panels insulate and reduce noise and vibration. Also saves energy by preventing air leakage. Self adhesive installation strips included for new or replacement installation. Side panels can be trimmed to fit most window units. Cut foam panel and plastic channel to proper height and install. 2 side panels per package. 9 inches wide x 18 inches high x 7 8 inches thick.