AD 56410293 38" 16SR Poly Cylinder Scrub Brush for Nilfisk Advance 38" Cylinder Brush Model Scrubbers. Durable polypropylene filament for general duty scrubbing jobs on sealed, sensitive or unsealed flooring . .020" bristle diameter is great for general medium duty scrubbing of sealed/painted and unsealed concrete as well as tile, stone, and terrazzo flooring. Equivalent to Poly, Prolene, Polypro. Fits Nilfisk Advance Hydro-Retriever 3800C, 3200C (w/38" Cyl.), Adgressor 3820C, 3820C-AXP, BR 1050SC, BR 850C-XL, BR 1050SC EDS cylindrical brush scrubbers. For 38" machines only. Actual measurement 36.875". Two required per machine. Priced each. Some models (3820D / BR 1050S) require three 12" disc scrub brushes (search for 56505764, Medium Poly) or two 19" disc scrub brushes (HR 3800, BR 1100 - Search for 56505794, Medium Poly). Please check your model before ordering. Replaces Nilfisk Advance 56410293, 410293. Our Part Number AD 56410293