Etymotic ER4-45 Filter Changing Tools for ER4

Etymotic ER4-45 Filter Changing Tools for ER4

The filter on headphones can get clogged up with all sorts of debris, and periodic replacement of the filter is a necessity.

Make the process run smoothly with the use of these tools, to get the best quality sounds from your headphones.

For use with the ER-4 headphones.

Etymotic Headphones