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Wall Mail | eBay
Our large mail slots work well for both commercial mail drop slot needs as well as residential mail slot needs, both files, manila envelopes, and magazines will easily fit in many of these mail slots for the wall or door.
Amazon.com: Pochar Door Drop Box for Mail, Rent, Deposit, and ...
It comes with a mail catcher attached to the stainless steel slot, which can easily be detached and attached again with twist off screws.