Black Steel Guardian Angel Window Guards Keep Children Safely Inside Windows Use Guardian Angel window guards stacked vertically or horizontally depending upon the window type. GA2335-BLK is an egress window guard that snaps into mounting bars. Three bars protect 13 to 17.25 inches wide or high and from 23 to 35 inches wide or high. Remove window bars from mounts by simultaneously pushing two safety release buttons on each side of the guard. Note picture denotes size of guard. Bar spacing of 3 7/8 exceeds 4 to 5 safety standards. Four inch space when two mounting bars are butted together for multiple window guard mounting. Remove window guards from inside or outside. Made for inside installation. Tested to withstand up to 150 pounds of pressure in locked position. Made in USA from strong tubular steel powder-coated with unleaded paint. Side posts anchor with 2 sheet metal screws into solid stud or frame mats.Warranty lifetime from manufacturer. Note please measure carefully for correct size. 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 and 780 CMR 1010.4. NOTES Window guards do NOT substitute for adequate supervision. Child safety requires mature persons establishing and supervising children in a safe environment. Window guards MUST protect the entire OPEN portion of window or panel for baby safety. No space greater than 4 inches is allowed according to ASTM PS 120. This is why double and single hung windows can not be safely mounted vertically in sliders, casements, and push-outs or pull-in windows. Use window stops in conjunction with Window Guards for windows that open more than 22 inches. This item ships from a separate warehouse and may require extra time for delivery.