This filter is part of our ash vacuum line. It goes on top of the hepa to take out fine particulets in the vacuum. This pre filter gets put on the RWAC1 model. These vacuums can be purchased on this website as well and a pre filter comes included with the vacuums along with a hepa.

To assemble it for the ash vacuums please follow these steps.

1. Put hepa onto the lid of the ash vacuum, it will be tight to put on so no dust gets from in between the seams.
2. Put the pre filter on top of the hepa making sure it is fully on it with no gaps.
3. Then put the assembled lid on top of the vacuum cleaner
4. You are now free to vacuum up any ash and dust you so desire.

Click the link to access the Google Drive of all RocwooD Declarations of Conformity: Click Here

(This is a work in progress)