Wishlist Quick view Dryerbox DB-4D Downward Exhaust Dryer Box $79.36 INOVTE DB-4D Dryer Box Downward Exhaust, 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... Add to Cart Add to Wishlist