Improved cut quality on nonmetals, especially woods. Reduces charring by pushing smoke and debris down and away from the cut area.Reduces cut width with focused air stream that pushes smoke and debris away so cutting process performs faster, thus reducing the heat affected area of the cut.Saves time on cut parts clean-up. With less smoke and debris settling on the face, side, and bottom of the cut, clean-up time is reduced or eliminated.Easy installation by nontechnical folks. Simple instructions to install.Fits standard 2 inch focus length lens (lens not included)The Mahoney brand focus nozzle assembly fits the Epilog Laser Legend series products, including the Epilog Helix, the Epilog Mini 18, Mini 24, and Epilog 24TT.  Product package includes (1) Focus nozzle piece that fits standard 2.5 inch lens (lens not included); (2) Air hose with fittings; (3) Installation tools x 2. (4) Printed instructions