Hi, I have a couple questions about dust filters.
1. Are they all able to be washed in the sink? If not how do you wash them
2. How often do you have to clean them?
3. You only need dust filters on intake fans right?
1. Are they all able to be washed in the sink? If not how do you wash them
2. How often do you have to clean them?
3. You only need dust filters on intake fans right?