NMR Tube Brush for 3mm Tubes • 8 Inch SKU NTB-3x8 $32.85 Available to Order Quantity -+ Add to Cart Details NMR TUBE BRUSH FOR 3mm TUBES Nylon Bristle Brush with Loop HandleOverall Length 8" Details Back DetailsNMR TUBE BRUSH FOR 3mm TUBES Nylon Bristle Brush with Loop HandleOverall Length 8"