AL 8-25-08172 Front Inside Broom Chamber Flap for American Lincoln Sweepers. Durable, reinforced cloth inserted neoprene broom chamber flap. This flap fits on the upper front of the broom chamber and attaches using 5 1/4" carriage bolts. Attaches with rear inner flap clamp, AL 8-13-07100, and works behind the rear outside broom chamber flap, AL 8-25-08173. Measures 56-1/2" x 4-1/2 with 5 mounting holes. Edges are tapered inward at bottom of each edge, as pictrued. Fits Nilfisk American Lincoln 3366, 3366XP, 4366, 4366XP, and Granterra sweepers. One front inside broom chamber flap required per unit. Priced each. Replaces Nilfisk American Lincoln 8-25-08172. Our Part Number AL 8-25-08172