1.Please clean the product in time after each use.
2.Always keep the product outside clean.
3. Do not throw or drop the product.
4. When storing and using, avoid the sharp point of the hard object scratch
products.
5. Please store the product in a dry and ventilated place.
6. If not used for a long time, please empty the hopper and clean it.
Sealing rings and O-rings distribution