FeaturesBody is impact-resistant polycarbonate for PCI series and ABS for ABI seriesOpaque and clear covers are impact-resistant polycarbonate for PCI, opaque covers are ABS for ABI seriesPolycarbonate and ABS material is easily punched, drilled, filed or sawedMounting holes molded directly under cover screwsMolded internal pads for mounting optional panels, rails and other componentsMolded internal rails for mounting adjustable depth panel kitScrews provided for mounting optional panelOptional extension rings are molded polycarbonateCover includes a molded in hole for wire leadSeamless foam in place gasket assures a watertight and dust tight sealMaterial is halogen-free