Tree Emitter & Bubbler Mounting Details Download AutoCAD DWG CAD Design. This comprehensive file includes detailed designs for 90° elbows, planting area layouts, gravel mulch installations, and pressure compensating full-circle bubblers. Ideal for landscape architects and irrigation planners, this DWG file provides essential information for effective and efficient tree irrigation system setups, ensuring precise placement and functionality of emitters and bubblers in various landscaping projects.