Graco Fusion AP Variable Flow Cap KitEasily Adjust the Output on your Graco Fusion AP Gun The AP Fusion Variable Flow Cap is designed to allow you to change the output of your Graco Fusion AP gun without having to change the mix chamber. The AP Fusion Adjustable Flow Cap Kit is the newest addition to the Graco Fusion AP spray gun. Preventing the applicator from having to purchase and replace multiple chamber sizes in order to achieve variable flow patterns, this gun make material flow a