Patent Nunber: M520934
1.The filter mesh in the barrel top occupies less space and height than the old negative pressure barrel.
2. The chance for powder to float inside the barrel is fewer and increase air volume.
3. The filter mesh will not get clogged.
4.The filter mesh will not get elastic fatigue.
5.The filter mesh can be installed with a variety of models.
6.The filter mesh easy to clean up and don’t need to replacement often.
7.The service life of filtrating element may vary with powder kinds. Normal service life is approximately 2-5 years.