Contrary to some other reviews the filter I received fits my Eureka "well". It barely fits and is tight but acceptable. Hardly. But the original filter was *much* deeper and "harder" than this one. This one is very shallow (not measured but would estimate a maximum depth of 3 inches). It doesn't hold much dust/dirt and you have to shake it out a lot more often. Although it is "good". Unfortunately there doesn't seem to be any OE quality filters for my model anymore and only these cheap imitations can be bought. However "works" and "OK". After all, it's a vacuum filter. Not great, but"fur". But for us, it's (minimal) getting the job done. I just have to drop it twice as often as the original (which was still going strong, but our housekeeper accidentally threw it away - ooh).