Be aware that the front thread on this filter is ...
596962
Be aware that the front thread on this filter is larger than 43mm and too big for the lens cap to stay on
1249131
As you can see from the photo, the filter seems to work. The below filter is a little over a year old. The top filter is brand new. The water smells less chlorinated when we use it.

However, we bought this before the company was including an overflow attachment. I asked about overflow a year ago after purchasing and was assured the spillover wasn't a big deal. Obviously it was a big enough deal and design flaw that the company started including the attachment to correct spillover. I just ordered a replacement filter disc for about the same price as a brand new ball. It would have been nice to know this attachment existed prior to ordering so I could have requested one.

UPDATE

The CuZn folks contacted me and offered me a complimentary overflow attachment.  Great customer service.  Will update review with how the attachment works.
3125275
Works well as an OEM replacement and much, much cheaper in cost.  Be aware, though, that this Waterdrop filter is about 3/16" longer in length than the OEM units -- which does not affect function, but it does stick out further from the filter receptacle.  When I was installing the Waterdrop filter, I kept thinking that I didn't have it fully inserted because of this, and it took a while to realize it's just a longer length and sticks out further.
643152
Most of the filter fit well on the frame, but one side had holes that did not match up. I had to make new holes.
2853496
The included adapters were not the correct size. I have an M20x1.5 filter, the M20 adapter is the correct thread and pitch on the male side, which threads into the filter properly, but the female side appears to be the wrong pitch and will not thread onto the block.
2984746
Though this filter is the same as the one I bought two years ago, this time I had to use my Bosch multitool to ream the small hole (maybe 1/16") in the bottom to fit its matching counterpart in the filter housing -  not unlike others who have reported having to do the same thing.  Not sure why it's coming from the manufacturer this way since it's a bit of a hassle and could be a larger issue without something like a multitool to enlarge the opening.  Once I did that, the filter housing top fit perfectly and it has been filtering fine.
3083905
Filter  has a small leak. Haven't found reason may need new and coating
264318
Honestly, my major complaint is about the frame of this filter, not the filtering ability, which is exactly what you pay for. The thick paper/cardboard frame is not square on the furnace side, it is somehow folded at an angle. This lets a little bit of a gap (1/4") between the filter and the ducting because the filter is a little longer than the opening, letting unfiltered air in. This problem can certainly be attributed to the ducting, not the filter, but the 1900 series filter has about 3/4" wide frame and has no such problem, it fits slightly imperfect openings. Why not make the same frame on this one, it would also make it sturdier.
2938087
This is one very simple filter to install on an in-line filter system. You plug a 1/4" tubing to both ends of the filter to connect it to your system; if you can't figure this out...DO NOT try to fix your own filter system. It even shows the direction of the water flow on it. There are two built-in quick disconnects on both ends of the filter for connection.
4252870
I've been using Pur filters for maybe 12+ years. My previous one where you turn the body up finally started leaking around the base below the faucet connection. So I purchased this one, which I thought would be better as I only had to turn a small knob instead of the whole unit. First off, if I ran hot water through the main faucet (not going through the filter), which warmed up the plastic mounting adapter to the faucet - then turning on the filter knob (running cold water) - the filter with the mounting adapter would blow off the faucet. No problem when running cold water before, just when I ran hot water before. Used teflon tape on the faucet threads and solved this problem. We have a regular length faucet which isn't that far above the sink (6 1/4" to be exact) - when cleaning/rinsing dishes it is very easy to bump the filter knob. I can't count the times I have hit this knob while I was rinsing dishes, causing HOT water to run through the filter - which we all know ruins the filter. This sometimes isn't obvious right away as I'll be using the sprayer on the sink, then when I stop the sprayer, quite a bit of hot water runs through the filter before I notice it - ruining the filter. I may go to a reverse osmosis machine after this as I am tired of replacing nearly new filters that have been ruined by hot water. I prefer the older type where you had to physically move the whole body of the Pur filter - no way you could bump that on while rinsing dishes.
3757764
This filter was purchased for a 2012 VW Routan. (2012 Dodge Caravans & Chrysler T&C's are probably identical)  I got this filter at a discount from Amazon I believe because someone ordered it and because it didn't resemble the old filter that they were replacing, they returned it to Amazon thinking it was the wrong one & wouldn't work. When I opened the vent compartment I noticed that the filter inside was larger than this one and it sat over the vent intake completely. In the first 2 photos you can see the old one on the left & the new Potauto filter laying upside down on the right. This filter is designed to counter sink down into the vent intake so that the top edge is flush with the bottom of the compartment as seen in photo 3. In photo 4 you see that the old filter sat over the intake and filled the entire compartment. I had to use a long screwdriver to press the new one down in the back as my hands were too large to reach all the way in but it fit perfectly. I noticed that some reviewers stated that they were sent the wrong filter. This isn't necessarily the wrong filter but just possibly a different style. Either will work for this vechiele.
2507532
Not a complaint, but a warning. The filter is a bit wider than the correct filter for the GX270, but also taller. You cannot screw the cover in place from the top.
1498766
It's a very nice filter. Arrived on time and packaging was not obnoxious. My only complaint was that the filter was very hard to attach to ANYTHING. I tried attaching it to my desk and that didn't work very well. The filter itself was too heavy for the flimsy clamp to support it. I finally figured out a way to attach it to microphone, but it was a big hassle and wasted a lot of time. Other than that, the filter works great for making covers or for playing instruments. If you can find a way to finagle the clamp, then this is an excellent choice.
4517510
I was over cautious threading this step-up adapter onto a 48 mm UV filter.  I gave the threads a light coating of
precision oil, then carefully threaded to make sure nothing was crossed.  It started off rough but then settled in
until it was snug up against the filter.  Since I don't plan on removing it,  it sure work fine.  It is only there for me
to use a lens hood.  Product was shipped fast thanks to Prime subscription.
3080935
Tauted as new and improved filter to replace F201R, with additional filtration benefits, including eliminating lead BUT they failed to mention it is a LARGER, different size and does not necessarily fit into the same dimensions as the older model filter.  To use this I would have had to hire a plumber to cut cooper piping and remount the system in a higher position. Does NOT necessarily retro fit into the same space as the F201R.
2490580
Im sure its a good filter, its a Kubota genuine filter. The reason for 1 star is because I typed oil filter for BX 2370 in the search bar, this filter came up, its NOT for a BX 2370... had to return and go to my dealer so I could finish my oil change.
217076
As others have stated, this filter is LOUD.  It produces a gurgling spashing sound in the back of the filter where the water enters and then creates additional noise as the waterfall splashes over the blue "comb" and back into the tank.  The return is just slightly too short for my 65 gallon tank which is filled almost to the brim, even though the filter is firmly in place and seated properly.  This means that there is about a centimeter of space between where the plastic on the waterfall ends and the top of the water.  Lots of noise from the water pouring back into the tank.

As if this wasn't enough, I've had to take the filter apart no less than 5 times to clean out small gravel and sand that keeps jamming it.  Since there is no flow control the filter runs full blast.  I have the suction pipe on it's shortest setting and there is more than 6 inches of clearance to the bottom of the tank, but the suction is strong enough to still pull up sand off the bottom apparently.

I'm tired of finagling with it.  As a solution to some of these problems I've stuffed the intake tube full of loose filter floss.  It's probably a bad idea because when the floss gets clogged it's going to get sucked up inside the filter.  So I have to change it often.  One day though, I'll forget and burn out this filter.  When I do, I'm not going to get a whole different brand all together.