Model 4D
Sku DB-4D

• 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
Sku DB-3D

• 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