Expanding Guardian Angel Window Guards 5 Bars 4 Units Mad e in USA Make Windows Safer Guardian Angel Window Guards protect children from falling through screens or open windows. Package of 4 windowguards, GA2335-45. 23 to 35 inch expansion. 5 bars. Mount vertically or horizontally. Bars protect 21 5/8 to 26 inches when properly installed. Made from strong, steel tubing powder coated with durable, lead-free white paint. Quick release buttons for fast window guard removal in emergencies. Tested to withstand up to 150 pounds of pressure in locked position. Bar spacing of 3 7/8 exceeds 4 to 5 safety standards. Side 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 egress type window guards. Meets Massachusetts building codes 780CMR 3603.14.2.2 and780 CMR 010.4. Made in USA. Lifetime guarantee by manufacturer. This item ships from a separate warehouse and may require extra time for delivery.