Metal fireproof door mail slot

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Square Hinge and Lock Edges (Beveled Edges Available) – Full Height, Epoxy Filled Mechanical Interlock Edges Standard Widths up to 4'0', Height to 8'0' (Custom Sizes Available) Non-Handed Design Reversible Hinge Plates Heavy Duty, SDI Level 2 – 18-Gauge Steel Face Sheets – (16 Ga.

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