| Process | LOONG Filtration Recommended |
| Pre-filtration | 1. PP Filter Cartridge| Microelectronics Level | FEP Series 2. Stainless Steel Security Filter housing | LE Series |
| Precision Filtration | 1. Nylon Filter Cartridge | Microelectronics Level | FEN Series 2. PES Filter Cartridge| | Microelectronics Level | FES Series 3. Stainless Steel Security Filter housing | LE Series |