This filter fits my Bissell Lift-Off Revolution (model 3760). This is a post-motor filter, meaning it stops your vacuum from throwing dust back into your living space. To minimize the amount of dust collected by this filter, the filters before the engine must be flushed/replaced. I have 2 reusable/washable pre-motor filters for my vacuum and I clean them once a month. However, I rarely vacuum, so if you clean more often, you should service the filters more often. I believe this filter should be replaced at least once a year, but you should refer to the relevant owner's manual for details. As mentioned in a previous review the filter was a bit of a hassle to fit as it can be a bit warped but it fits. and now sealed, dust does not come out. This filter is excellent so far and at such a good price. I ended up buying a few more. Also, I posted some photos of what I got. Apparently this isn't Bissell, and I couldn't find any manufacturer information on either the packaging or the filter itself. I don't care, so I'm not deducting a star here.
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