Patented Product 

Honor
Filter End Cap assuring no gasket dropping
Filter End Cap assuring no gasket dropping
Filter Cartridge for Silencer
Filter Cartridge for Silencer
Special Filter Cartridge with Sealing Gaskets
Special Filter Cartridge with Sealing Gaskets
Filter Cartridge Wrapped with Filter Paper/Cloth
Filter Cartridge Wrapped with Filter Paper/Cloth
Compound Filter Cartridge with Special Structure
Compound Filter Cartridge with Special Structure
Compound PP&Activated Carbon Filter Cartridge
Compound PP&Activated Carbon Filter Cartridge
Removable&Washable Cartridge Type Filter
Removable&Washable Cartridge Type Filter
Compound String Wound Filter Cartridge
Compound String Wound Filter Cartridge
No Fiber Release String Wound Filter Cartridge
No Fiber Release String Wound Filter Cartridge
Compound Activated Carbon Filter Cartridge
Compound Activated Carbon Filter Cartridge
Compound Filter Cartridge
Compound Filter Cartridge
Activated Carbon Filter Bag
Activated Carbon Filter Bag
Compound Resin Filter Cartridge
Compound Resin Filter Cartridge