Test Tube Brushes with Tied Tip

Tied Tip Brushes are designed to enter narrow mouthed bottles & tubes and then expand to clean the sides of the bottle & tube, while protecting the bottom of the bottle or tube from being scratched by the wire tip.
Image(s) are representative of the product group and not necessarily the individual product.

Diameter cm (in.): 1.9 (0.75)
Brush Length cm (in.): 5.6 (2.25)
Overall Length cm (in.): 23 (9)

Diameter cm (in.): 3.1 (1.25)
Brush Length cm (in.): 6.3 (2.5)
Overall Length cm (in.): 26 (10.5)