VEVOR Cutting Dust Shroud for Angle Grinders, Universal 4-5 in Angle Grinder Dust Shroud with 6 Clamping Washers & 5 in Diamond Grinding Cup Wheel, Adjustable Cutting Depth, Connect to Vacuum Cleaner

Both models share the exact same structural design and plastic thickness, meaning neither is heavier duty than the other; the only differences are that the AG22 features a clear transparent housing and includes a 5-inch diamond blade, whereas the AG22-1 uses an opaque red-and-black housing and comes without the blade.