Ideas for sealing up a drafty through-wall mail slot

Ideas for sealing up a drafty through-wall mail slot interior mail slot catcher Mail Slot Catcher Blue Indoor Mail Catcher, Durable Oxford Bag for Front Door Garage Office Mail Slot Cover, Space Saving, Self-Adhesive, No Screws Needed, interior mail slot cover A mail slot catcher is a valuable addition to the inside of the door because Total Area: 482 Square Feets QCAA Solid Brass Mail Slot with Solid Brass Interior

interior mail slot cover Measure the width of your mail slot and add 3 to each side

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