This pipe may look simple, but it will be a very high quality addition to your collection. Hard to see in the pictures; the shimmer and thickness of this pipe is beyond words. Even the joints and ice catcher pinches are super thick. The slotted downstem will help cool the smoke with a multitutde of bubbles it creates, as will the included ice catcher. Diameter of the water chamber is 5.25 Inches. Diameter of the neck is 2 inches. The joint size of the water pipe is 19mm and includes a 19mm to 14mm slotted downstem. It also includes a 14mm color matching bowl.