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Unit of Measure


Wall Size

N/A 2 x 4 in

Exhaust Direction

N/A Downward


N/A 21 gauge

Industry Standards

N/A Underwriters Laboratories (UL)

Lower Port Size

N/A 4 7/8 x 3 1/8 in

Lower Port Shape

N/A Oval

Distance from Nailing Flange to Rear of Box

N/A 3 1/2 in

Overall Height

N/A 19 in

Overall Width

N/A 16 3/4 in

Overall Depth

N/A 4 3/8 in

Inside Height

N/A 16 in

Inside Width

N/A 14 in

US Patent

N/A 5,476,183 6,419,102

Performance Data


  • Model 3D deep drawn with 0.031 aluminized steel (21 gauge)
  • UL Classified for a one hour wall
  • Made in the USA

For Use

  • Dryer vent hose receptacle
  • Doubles as gas connection receptacle
  • Meets code requirements as a clean-out

General Information


  • Locate the dryer right up against the wall
  • Flex is protected from getting squished
  • Lint build-up is minimized
  • Efficiency is increased...clothes dry faster
  • Dryer related service calls are almost eliminated
  • Laundry room appears larger to prospects
  • Reduces the fire hazard
  • Reduces mold potential in the wall


  • No trim-ring piece is needed
  • Elbow eliminator...gain 5 foot of duct run
  • Surface is paintable, no masking needed
  • Applauded by Mechanical Inspectors
  • Over 1.5 MILLION Dryerboxes installed
  • Convenient Duct Support Tab