I was immediately skeptical of this set when it arrived as it wasn't boxed just parts in a bubble mail box. Knowing it was most likely a fake (they actually had the iRobot trademarks on it), they just didn't look the same. The filters were shaped slightly differently and the paper inside was very gray even compared to my originals after many months of use. The side brushes looked cheap too, and it turns out they were. The original parts lasted over 6 months and were still in good condition when I replaced them. Those parts weren't that good. The first of the two side brushes lasted almost a month and the second only two weeks and they just fell apart. The center roller has lasted almost all 6 weeks, but it has clogged and become so hopelessly stuck that I don't think it makes sense to try to save money. The HEPA filters plugged in much quicker than the original filters and didn't clean as much, so they had to be replaced after 3-4 weeks. The underwater cleaning and rinsing took me almost 6 months with the original and replacement kits combined. Not these, after 6 weeks I ran out of all of them. This is NOT an OEM replacement and unfortunately in this case I've learned you don't get what you pay for. I bought the Prime with mine but it was an order from Revain and not a product sold by Revain so I don't know if they are any better. I have an update, I bought another one of these and made sure one is sold by By and supplied by Revain. This one wasn't a fake. I decided to post some photos showing the difference between real and fake to hopefully help other Revain folks. On the yellow front rotating brush you can see that the fake has flat sides while the real one has round ones. The bristles on the fake appear looser and not as tight. The brush is also longer on the fake and this seems to be one of the main reasons why it failed, as it came into contact with the Roomba's body and caused a lot of friction, causing it to tear itself up. With HEPA filters you can see the markings on the top and bottom which are not on the fake. You can also see that the paper elements look looser and messier. The plastic divider is also completely different from the real one, it looks like small rounded protrusions compared to the single plastic strip on the fake. That. The blades are also more visible on the real one. My previous order was from a seller here with a name that includes the initials Sus**As***y but I'm sure they aren't the only ones.
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