Product Detail:
1.Thumb ring handle, easy to operate, flexible and convenient;
2.Integrated brush head design; no bristles may fall off;
3.The brush hairs have a large expansion angle and complete sampling to improve the positive detection rate;
4.The spherical head end is smooth and firm, and the brush hairs are moderately soft and hard, which better reduces the stimulation and damage to the channel wall;
5.Double casing design with good bending resistance and pushing features;
6.The straight brush head is easier to enter the deep parts of respiratory tract and digestive tract;