Bosch Professional 1x Expert Multihole Backing Pad (for Bosch, Medium Version, Diameter 150 mm, Random Orbital Sander Accessories) Compatible with GEX 125-150 AVE, GEX 150 AC and GEX 150 Turbo. - Amazon.com
Bosch Professional Eccentric Sander GEX 40-150 - Amazon.com
BOSCH GEX 125-150 AVE Vacuum Adapter by lackac | Download free STL model | Printables.com