PB 3300308 3 Single Row Nylon Side Brush for Power Boss Sweepers. 3 rows of long, black or white Nylon for longer lasting, general duty side sweeping tasks. A durable, thick poly block with 3 mounting lugs attached. This brush has a 7" center hole on a 13" diameter block. 24" sweeping path. Fits many Minuteman Power Boss models. Please check your model before ordering. An extended reach 14" diameter (26" path) brush is also available for some, but not all models. Replaces Minuteman Power Boss 3300308, 300308. Our Part Number PB 3300308