1.Is there any sample available?
Yes, we offer free samples while courier cost will be for your account.

2.What is the standard micron rating for your melt blown filter cartridge?

Our standard micron rating is 1 to 100 micron.

3.What is the standard micron rating for your string wound filter cartridge?
Our standard micron rating is 1 to 100 micron.

4.What is the difference between Activated Carbon Paper Filter Cartridge and Activated Carbon Fibre Filter Cartridge?
Generally speaking, these both are good carbon filter cartridges, while the fiber one is better than the paper one regarding its filtration area and filtering effect.

5.Do you sell to small customers?
We have long term distributors in many countries. Pls contact us for more information.