Dustless Technologies 15521 HEPA Filter for Dustless Backpack (Pack of 3), Small, White
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<b>[Product Information]</b><br>
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<li>Filter is strong fabric-like material</li>
<li>Filters 97.7% of dust down to .3 microns</li>
<li>Unique top has built-in cover to contain dust when changing filter</li>
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