Model Specifications

Dimensions, Pictures and Illustrations for all Dryerboxes

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Model 480

Universal Dryer Vent Box - Model 480
Sku DB-480
(Upward & Downward | Pedestal or Floor)
  • 22 gauge aluminized steel weighing 7 pounds each
  • Top port measures 4 5/16" with very slight oval shape
  • Distance from nailing flange to rear of box is 4 1/4"
  • Overall measurements: 23 1/2" h x 17 3/8" w x 5 1/8" deep
  • Inside measures 14" wide x 20 1/2" tall
  • Five units per carton, 24 cartons per pallet, ships as a class 70

Model 425

Recessed Dryer Vent Box - Model 425 prevent dryer lint buildup in the laundry room.
Sku DB-425
(For Upward Exhaust Direction)
  • 22 gauge aluminized steel weighing 4.14 pounds each
  • Top port measures 4 1/8" with very slight oval shape
  • Distance from nailing flange to rear of box is 4 1/4"
  • Overall measurements: 21" h x 12 1/2" w x 5 1/8" deep
  • Inside measures 9 1/2" wide x 18 1/4" tall
  • Five units per carton, 36 cartons per pallet, ships as a class 70

Model 350

Recessed Dryer Vent Box - Model 350 prevent dryer lint buildup in the laundry room.
Sku DB-350
(For Upward Exhaust Direction)
  • 22 gauge aluminized steel weighing 4.03 pounds each
  • Top port measures 4 15/16" x 3 5/32" oval shape
  • Distance from nailing flange to rear of box is 3 1/2"
  • Overall measurements: 21" h x 12 1/2" w x 4 3/8" deep
  • Inside measures 9 1/2" wide x 18 1/4" tall
  • Six units per carton, 36 cartons per pallet, ships as a class 70

Model 4D

Recessed Dryer Vent Box - Model 425 prevent dryer lint buildup in the laundry room.
Sku DB-4D
(For Downward Exhaust Direction)
  • 22 gauge aluminized steel weighing 4.31 pounds each
  • Lower port measures 4 1/8" with very slight oval shape
  • Distance from nailing flange to rear of box is 4 1/4"
  • Overall measurements: 19" h x 16 3/4" w x 5 1/8" deep
  • Inside measures  14" wide x 16" tall
  • Five units per carton, 36 cartons per pallet, ships as a class 70

Model 3D

Recessed Dryer Vent Box - Model 3D prevent dryer lint buildup in the laundry room.
Sku DB-3D
(For Downward Exhaust Direction)
  • 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
  • Six units per carton, 36 cartons per pallet, ships as a class 70

Retrofit Model 400

Recessed Dryer Vent Box - Retrofit Model 400 prevent dryer lint buildup in the laundry room.
Sku RB400
(For Upward Exhaust Direction)
  • 22 gauge aluminized steel, click herefor enlarged image
  • Powder coated (similar to finish on dryer appliance)
  • Top port measures 4 7/8" x 3 1/8" oval shape
  • Distance from mounting flange to rear of box is 4"
  • Overall measurements: 21" h x 11 1/2" w x 4" deep
  • Inside measures 9 1/2" wide x 18 1/4" tall
  • Two mounting 3/16" holes on bottom flange

Retrofit Model 500

Recessed Dryer Vent Box - Retrofit Model 500 prevent dryer lint buildup in the laundry room.
Sku RB500
(For Upward Exhaust Direction)
  • 22 gauge aluminized steel, click here for enlarged image
  • Powder coated (similar to finish on dryer appliance)
  • Top port measures 4 1/8" with very slight oval shape
  • Distance from mounting flange to rear of box is 5 1/8"
  • Overall measurements: 21" h x 11 1/2" w x 5 1/8" deep
  • Inside measures 9 1/2" wide x 18 1/4" tall
  • Two mounting 3/16" holes on bottom flange
Model Wall Exhaust
480 2x6 Up and Down NEW
425 2x6 Upward *
350 2x4 Upward
4D 2x6 Downward
3D 2x4 Downward
* For stackable or pedestal dryers with downward exhaust direction install this model upside-down.
  • Models 480, 425, 4D, 350 and 3D are UL Classified
  • Deep Drawn Manufacturing in the USA
  • Extension Rim Extends 7/8" from Nailing Flange
  • Eight 1/4" Mounting Holes (4 on Each Side)
  • Tapered Sidews Allow Nesting of Multiple Boxes
  • Surface is Easy to Paint (No Oil Residue)
  • Instruction Sheet is Attached to Rear Panel
  • New Construction Models Include a Gas Port Knock-out