Protex WDS-311 Through-The-Wall Letter/Payment Drop Box

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Protex WDS-311 Through-The-Wall Letter/Payment Drop Box

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Through-The-Wall Locking Drop Box

 Heavy Duty Drop box designed to be installed between the wall studs. Adjusts to fit through walls anywhere between 4" to 10" in thickness.


  • Tubular-style key lock with

  • Double "D" configuration (can be retrofitted with other cam locks)

  • Piano hinge

  • Drop slot openning (12-3/8") long enough to drop legal size paper or large envelopes

  • Metal baffle to protect drop openning from fishing

  • Pre-drilled mounting holes on sides for in-the-wall installation

  • Installation hardware included

  • Two tubular keys included

  • Reinforced double steel door to protect against prying

  • The perfect way to lock and secure rent checks, letters, mail, cash payments, large envelopes and more

  • Drop from one side and collect from the opposite side

  • Designed to be installed in the wall between standard (16" on center) wall studs

  • Requires cutting the drywall between the studs

  • Includes two removable and adjustable metal frames to hide the rough cuts

  • Maximum thickness of item to drop is 1/2" thick

  • Recommended wall thickness for proper installation is between 4 and 10 inches

  • Exterior Dimensions: 14” (W) x 15” (H) x 8-3/4” (D)

  • Door Clearance: 11-1/4” (W) x 5-1/4” (H)

  • Drop Opening: 12-3/8” (W) x 1/2” (H)

  • Door Thickness: 1/8”

  • Weight: 22 Lbs.