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'' x '' slot is suitable for smartphones, envelopes, small mails Adjustable Chute: The adjustable chute fits

Durabox D100 adjustable through-wall mail chute accommodates large and small mail, letters, envelopes, checks, keys and other items with a max thickness of 1

through wall mail slot We have an old house that has a mail slot on the side of the house That leads straight into a mailbox is that is embedded in the wall We

through wall mail slot chute : Durabox Through The Wall Mail Slot, Two Piece Deposit Chute Drop for Documents, Mail, Checks, Payments