Specifications:
- Replacement filters to protect earphone drivers
- 4 replacement filters and changing tool
- Fits Etymotic Research ER4 and HF series earphones
| UPC | 084643000627 |
| Model | ER38-46 |
| EAN | 0084643000627 |
| Color | Green |
| Category | Electronics |
| ASIN | B009OWPDP2 |
