Test Tube Brush Specification
tufted nylon end, D6x23cm
nylon fan-shaped end, D6x23cm
small nylon fan-shaped end
D1.5x20cm bristle, D2x23cm
Test Tube Brush
Gelsonlab HSG-002 Test Tube Brush , Lab Chemistry Test Tube Bottle Wash Cleaning Nylon Brush
Also can provide other different sizes.