^[1]Building upon the highly advanced features of the Sandvik Doublescreens, the QA450 introduces a triple deck screen box with an extra side conveyor enabling the production of up to four product materials, plus one oversize product from the tipping grid. Designed for maximum productivity, the QA450 further incorporates a large feed hopper, a pair of large screen boxes, and extended conveyors that afford massive stockpiling capabilities. The screenbox in the QA450 makes use of the tried and tested Doublescreen design, but now with a unique triple deck design cementing Sandvik’s position as a true world leader in screening.