PB 3307279 Rear Hopper Flap for Minuteman Power Boss. A heavy duty reinforced cloth inserted neoprene hopper rear flap. Commonly listed as the rear feed outer flap. An rectangular shaped flap with 11 mounting holes. Measures 52-1/3". Held in place by the rear feed angle. Works in conjunction with the rear inner flap, PB 3307278. Fits Minuteman Power Boss models: Armadillo SW9 Series (9XV, 9XR, 9XR Europe), and other models. One rear hopper flap is required per unit. Priced per flap. Replaces Minuteman Power Boss 3307279, 307279. Our Part Number PB 3307279