Curaprox USA - This is CURAPROX CS 1006 – a single brush with extremely dense soft filaments. It is designed specifically for cleaning the teeth in the back of your mouth and
CURAPROX CS 1006 Sensitive Single Sulcular Toothbrush, 6mm,Blister | Curaden USA Inc
The CS single… is that even a toothbrush? | CURAPROX-Shop USA
Amazon.com: Curaprox 1006 Interspace Brush Sensitive Single Sulcular 6mm : Health & Household