Ideal Pet Products Aluminum Sash Pet Door Medium White

. The Ideal Sash Window Medium Pet Door is specially designed for sash windows. These Sash Pet Doors provides your pet with easy access in or out of your home without having to install the pet door within a door or wall.Features.Flap Size – 7 x 11.25 in. – For Pets 13 to 35 lbs.0.62 in. thick on all sides and will fit in most standard window tracks. – Fits windows 27 to 32 in. Wide. – High quality aluminum construction in a white finish. – Installs easily into most styles of sash windows windows that slide up and down. Spring loaded locking slide. – Unbreakable Lexan clear vinyl flap with magnetic closure included.4-way lock controls the access of the pet door flap:. In only access. – Out only access. – In/Out access. – Locked no access in or out. Easy installation. – Size – Medium.