Prime-Line Window Guard Prime-Line Products S 4767 Fixed Window Guard, 31-Inch - 54-Inch Wide Interior Window Guard Window guards should only be opened in case of an emergency, or if conducting a test on the release mechanism. WINDOW S/GUARD 30"X37" FACTORY 101349 - TDC Limited Telescoping width is fully adjustable (prior to fastening) ; and is complete with tamper resistant one-way screws to keep window guard firmly attached., Fabricated of 0., 048 inch thick, plain carbon steel square tubing spaced at 3-7/8 inch Approved by the New York City Department of Health and Mental Hygiene, HDWG #04-09-2010., Inside mounting Segal 31 in. to 54 in. Wx 21 in. H Painted Carbon Steel Hinged 4-Bar... All operable window guards are equipped with a quick-release feature for fast window guard removal in emergencies with distinct 3-step removal procedure to discourage toddlers (egress version only) . Mr. Goodbar 202 B 52-inch to 64-inch W Hinged Window Bar | The Home Quick release feature for fast window guard removal in emergencies with distinct 3-step removal procedure to discourage toddlers