| 311 filter cotton |
——————————— |
| Product model: 311 |
| Product Description: Filter Cotton |
| Product certification: GB2626-2019 KP95 |
| Product packaging: 50 pieces/pack, 1000 pieces/box |
| Product application: Used with 331/333 filter box and 311 filter cotton! |
| 311 filter cotton |
——————————— |
| Product model: 311 |
| Product Description: Filter Cotton |
| Product certification: GB2626-2019 KP95 |
| Product packaging: 50 pieces/pack, 1000 pieces/box |
| Product application: Used with 331/333 filter box and 311 filter cotton! |