Cylinder Brushes; 6"x 2 3/8"x 20", Price for 12, PF-3618 - Cleanroom World
Amazon.com: ULAB Scientific Lab Cleaning Brush Set, 7 Sizes for Different use, one Beaker Brush, one Buret Brush, one Cylinder Brush, Four Tube Brushes, UCB1001 : Industrial & Scientific
Nylon Cylinder Cleaning Rotary Brush
COOPER TOOLS, 6 in Brush Lg, 16 in Overall Lg, Beaker, Jar and Cylinder Brush - 8ANR3|06180 - Grainger