<http://schema.org/description>
"With this Koblenz HEPA filter, you'll be able to capture all debris particles down to 0.3 microns. It is an integral part of the 4-stage filtration process that the Koblenz HEPA backpack vacuum comes with. You get a single filter per pack. This filter should be cleaned routinely for maximum efficiency during recovery.\r\nTake a look at our full line of vacuum filters for other replacement filters that fit our full line of backpack vacs."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cleanfreak.com/parts/vacuum/filter/koblenz-backpack-vac-4-stage-hepa-filter.html>