DRYER VENTING BOX 4" WHT Deflect-O 4.25 in. L x 4 in. Dia. White Aluminum Dryer Venting Box Features Saves space, Allows it to fit flushed against the wall of your laundry room Improves dryer efficiency, Durable design protects the duct from being crushed Reduces fire hazard, Lint build-up is minimized due to the limited kinks and bends Ensures clean appearance, The Recessed Dryer Vent Box is made of high impact polystyrene Pack of 1, This product has a oval to round duct adapter which threads on easily to the duct and makes installation fast and easy. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.