Guardian Angel 5890-44 Window Guards, 4 Bars for Window Safety Set of two GA5890-44 window guards with 4 bars from Guardian Angel . Made in USA. Protect children from falling through window screens. Add security to 1st floor businesses during non-business hours remove during day. Two inch bar extension on each side allows stacking horizontally or vertically maintaining a safe 4 inches between bars. Combine with 3 or 5 bar units to fill spaces. GA-5890-44 has 4 bars and 4 button lock releases protect up to 21.5 inches of open window when correctly installed. Vertical installation for slider windows or casements. Otherwise horizontal installation. Windowguard extends from 58 to 90 inches.Guardian Angel window guards remove completely from side mounts or top and bottom mounts for cleaning the window. Strong, steel tubing powder coated with a durable, lead-free white paint. Minimum install on any window more than 12 feet above ground level through 6th floor. Window screens are not strong enough to keep children safe from window falls. Guardian Angel Window Guard 5890-44 Features Four bars click mount into mounting bars at tops and bottoms or sides of windows. Protect a maximum opening of 21.5 inches when installed horizontally Mounting bars are each 17 3/8 inches long. Low-profile appearance. Leader in window fall prevention. Tested to withstand up to 150 pounds of pressure in locked position. Four 4 quick release buttons for fast window guard removal in emergencies. No tools or excessive force are needed to remove Guardian Angel window guards. Remove window guards from inside or outside the window. Bar spacing of 3 7/8 exceeds 4 to 5 safety standards. Side posts or top posts anchor with 2 sheet metal screws into solid stud or frame mats.. Conforms to American Society for Testing and Material standards ASTM F2090-01A and recognized by the U.S. Consumer Products and Safety Commission. Conforms to most local fire and building codes for egres This item ships from a separate warehouse and may require extra time for delivery.