Too bad Revane stopped commenting on reviews. Susie in the PA filter didn't fit because she left part of her vacuum cleaner. This is not a "helpful" review. The Tineco pre-filters work perfectly and I now prefer rinsing them out rather than vacuuming them with the filter cleaning attachment. I now have four of these, which is enough to air dry the filter I washed (and rinsed from the inside under the pressure of the kitchen faucet). When the HEPA filter gets clogged it's harder to clean and I only have one. The filter that came with mine was an original design with a perforated metal screen. This filter compared poorly to the recycled pleated paper filter in this set. But to replace another HEPA filter when I'm drying another I have to buy the whole damn kit. Not only does the cost annoy me, but it's a waste of time to buy two more pre-filters that I don't need.
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