The A-dec 500 Traditional Delivery System is easy to operate and greatly improves manoeuvrability, while keeping your instruments within reach. The movable chair mount is beneficial for both left and right handed doctors and has an ergonomic design. The system becomes easier to operate with the deluxe A-dec 500 touchpad, and the internal 2-liter water bottle prevents contamination. The A-dec 500 Traditional Delivery System is designed keeping in mind corrosion, and water clogging, which tend to affect most delivery systems.