Save time, money and paper when you use HPs two-sided printing accessory. The accessory prints both sides of the page automatically, so you can concentrate on more important work. Youll see budget savings because paper consumption is cut in half. Accessory Type: Automatic Duplexer; Dimensions: 17 3/8" x 17" x 10"; For Use With: HP E6B68A, E6B67A; Accepts Paper Size: 6" x 8 3/10 to 8 1/2" x 14".