For taking the biological samples of the natural cavities of the human body, such as the nasal cavity, oral cavity , vagina, urethra and other partsfor testing.
Model specifications: CYH- (2ml, 2.5ml, 3ml, 4ml, 5ml, 10ml)
Instructions: Flattened the sampleragainst the inner surface of the natural cavity of the human body to take up the sample. After taking the sample, you shall put the brush head into the cell preservation solution for inspection.