John Sterling 1135 Window Mount Adjustable 18", 42" Max Range, Steel Security Bar 2 Piece

John Sterling 1135 Window Mount Adjustable 18", 42" Max Range, Steel Security Bar 2 Piece Constructed with durable 3/8" diameter steel bars for enhanced security Adjustable width from 24" to 42" to fit various window sizes Child-safe design featuring 3-1/2" bar spacing Designed for easy mounting inside the house Hinge mechanism allows for convenient cleaning and exit