Ultimaxx Std Roller Brush (22" / 55cm).
Fits: TASKI ULTIMAXX 1900 RB55, TASKI ULTIMAXX 2900 RB55/RB65
Genuine TASKI part number D7524966. Not sure it fits your machine? Send us your model and serial number at help@sweepscrub.com or call 877-449-0447 and we will confirm before you order.