Brand new, Never Used, in Package, HEPA (High Efficiency Particulate Absorption) filter for the Sirena Vacuum cleaner.
QR Code Link to This Post
The filter is designed to trap particles down to .03 microns. In the Sirena system it will trap material that is not water soluble. As a result this also extends the filters life.
This where we got it from: https://vacuumspecialists.com/product/sirena-hepa-filter/