| Process | LOONG Filtration Recommended |
| Pre-filtration before Centrifugal Milk Purifier | 1. PP Filter Cartridge| Food&Beverage Level | FBP Series 2. Stainless Steel Liquid Filter Housing| LY Series |
| Second-filtration after Centrifugal Milk Purifier | 1. PP Filter Cartridge| Food&Beverage Level | FBP Series 2. Glass Fiber Filter Cartridgec| Food&Beverage Level | FBG SERIES 3. Stainless Steel Liquid Filter Housing| LY Series |
| Sterilizing Filtration | 1. Nylon Filter Cartridge| Food&Beverage Level | FPN Series 2. PES Filter Cartridge| Food&Beverage Level | FBS Series 3. Stainless Steel Liquid Filter Housing| LY Series |
| Gas Filtration | 1. Hydrophobic PTFE Filter Cartridge| Food&Beverage Level | FBT Series 2. PTFE Filter Cartridge| Food&Beverage Level | FBT001 Series 3. Stainless Steel Air & Gas Filter Housing| LQ Series |