Application: used in laboratory to extract liquid quantitatively from pipette and to blow away powder in closed container. 
These days, they are not just for analytical laboratories, but for a wide range of USES: the repairman in the repair shop often USES them to soak up some alcohol and spray it on metal surfaces to clean parts. Use the washing ball to absorb water and drain, etc.
 
I. product introduction
Our series of medical ball products are made of natural rubber.
 
Second, the model
 
Large size: 120ml 2. Large size: 90ml 3. Medium: 60ml 4. Small: 30ml 5.15ml(export size)
Scope of application
It is mainly used to suck out concentrated liquid in external auditory canal. In the laboratory, washing ear balls is mainly used for quantitative extraction of liquid by pipette
 
Iv. Usage
Remove air from the inside of the ball by hand, and put the ball's mouth into the external auditory canal
Next, until the concentrated solution is absorbed.
 
Matters needing attention
1. This product is for one-time use only.
2. The product should avoid rain and snow leaching, and should be kept clean. Contact with acid, alkali, oil, organic solvent and other materials should be prohibited, and it should be 1.5 meters away from the heat source.
3, this product should be stored in dry and ventilated warehouse, temperature in the 0 to 35 ℃, relative humidity is not more than 80%, and 0.2 cm above the ground.
4. The product shall be valid for five years if stored under the above conditions.