One Model 3D Dryerbox^® - 22 Ga. metal deep drawn recessed dryer vent box with gas port, measures 3 1/2 inches deep from nailing flange. For 2x4 construction, venting downwards, for standalone dryers. 

• 22 gauge aluminized steel weighing 4.12 pounds each
• Lower port measures 4 1/8" with very slight oval shape
• Distance from nailing flange to rear of box is 3 1/2"
• Overall measurements: 19" h x 16 3/4" w x 4 3/8" deep
• Inside measures  14" wide x 16" tall
• Flex hose, screws or clamps are not included

Links: Drawings/Measurements  -  Instructions

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