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How To Make My New Mail Slot Burglar Proof? through the wall mail slot According to the Letter Box Study Group, there are more than 150 recognised designs and varieties of pillar boxes and wall boxes, not all of which have known through the wall mail slot Description Liberty chutes may be purchased separately for installation into front doors, garage doors or masonry walls The chute is made of solid

through wall mail slot sleeve Residential mail slots fit snugly into a horizontal slot in your door or outside wall This snug fit provides a weather-resistant flap over the slot that