This is not an original filter. The unit that arrived was the correct model and fit my Hoover 2 wind tunnel, but immediately after installation I quickly noticed that the vacuum was throwing dust into the air and not filtering properly (so I kept vacuuming the same dust over and over). again). The plastic insert for the HEPA filter does not fit snugly, so filtration is not effective. I've noticed other reviews describing the HEPA filter falling out of place. This is an imitation of a part that will definitely not fit as an OEM. A few others have made it work by cutting out the filter and gluing it to an OEM plastic fitting, which I would have done if I hadn't thrown away the old filter. Since the plastic fitting is not precisely engineered and is of poor quality, I would assume the same would apply to the filter media. Now I buy another OEM filter. Since I'm paying double, I would have looked elsewhere from the start.
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