Vynckier psbp44n polysafe pub 35.83″ x 35.83″ ps non-metallic back plate vynckier enclosure systems polysafe enclosures range in size from 720″ x 20″ to 50″ x 40″, varying depths, 12 different sizes and a variety of configurations. All polysafe series enclosures can be coupled in height, width and depth for wall mounting and freestanding units. 3- or 5-point latching mechanism. Maintenance free and corrosion resistant for outdoor or indoor applications. Bases and covers are hot compression molded from halogen free, self extinguishing fiberglass reinforced polyester. Resists wide temperature range: -58f to +302f (-50c to +150c) and momentary +392f (200c). Patented door-lifter ensures that the door will take its center position when closed.