Through The Wall Payment Drop Slot

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Orders over $99

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Our Through The Wall Locking Mail Slot allows envelopes and magazine sized mail to be easily dropped into a secure box and retrieved from the interior or other side of the mail slot. The mail slot is 12-3/8" wide and 1/2" deep and has a baffle to help protect against mail theft fishing.

If you are looking for a larger opening to drop keys into a secure wall mounted lock box check out the Wall Mounted High Security Drop Box for the home or office.

Not the mail slot you're looking for? See our full selection of Mail Slots for your door or wall.

This through the wall mail drop slot includes a compartment to keep all your items secure until retrieved from the other side. Two tubular style keys are included and the piano style hinge allows the door to be easily opened. The reinforced double steel retrieval door protects against prying. Three pre-drilled mounting holes on each side allow you to securely mount the mail slot lock box between studs. The adjustable frame allows for easy installation, simply cut out the sheet rock or wall material and install in the wall.

Click the "PRODUCT VIDEOS" tab above to watch a quick video on this drop box.

The metal frame flange hides the rough cuts. This unit only works on maximum 6.5 inch thick wall. This drop box comes with 2 adjustable frames for the front and back of the safe. Designed for interior use only.  This drop box is perfect for securely accepting rent checks, cash, letters, mail, large envelopes and more. The interior dimensions are 14" W x 15" H x 8-3/4" D and weights and impressive 22 lbs. The door opening to retrieve the items out is 11-1/4" x 5-1/4". Not designed for direct weather and should be located under an eave.

Drop box Features:

  • Drop slot opening is 12-3/8" long enough to drop legal size paper or large envelopes
  • Tubular-style key lock with Double "D" configuration
  • Retrieval door has piano style hinge
  • Interior metal baffle to protect drop opening from fishing
  • Pre-drilled mounting holes on sides for in-the-wall installation
  • Installation hardware included
  • 2 tubular keys included (additional keys available for an additional charge)
  • Reinforced secure double steel door to protect against prying
  • Works for walls as thick as 6.5" inches
  • Securely drop rent checks, letters, mail, cash payments, large envelopes and more
  • Drop from one side and remove from the opposite side
  • Shown with standard tubular cam-lock.
  • Easily installed in the wall between standard (16" on center) wall studs
  • Requires cutting the drywall between the studs
  • Includes two removable and adjustable steel frames to hide the rough cuts
  • Maximum thickness of item to drop is 1/2" thick
  • Interior use only, or exterior with large eave, cannot be exposed to direct weather

Drop Box Specifications:

  • Drop Slot Size 12-3/8" x 1/2"
  • Overall Exterior Dimensions 14"W x 15"H x 8-3/4"D
  • Door Thickness 1/8"
  • Door Opening 11-1/4" x 5-1/4"
  • Pre-drilled mounting holes 3 each side
  • Mounting Hardware Included
  • Weight 22 lbs