The Dryer Venting Box with Aluminum Connector (DVBOX) is the accessory needed for your dryer. The dryer venting box is designed for placement behind drywall, which allows dryerfits behind the drywall to save space. The venting box allows the dryer to sit 4 inches to 6 inches closer to wall. The dryer vent improves dryer efficiency by ensuring a direct path between dryer and vent. This causes a better air flow which reduces energy bill. The dryer venting box eliminates kinks in dryer ducts that result in lint build up. The dryer box has easy installation and reduces fire hazards.