Shower Drain Floor Drain Backflow Preventer Magnetic Levitation One-Way Drain Valve Fast Drainage Shower plug Insert Drain Plug Fit for Tube Depth 2.56-4.13in (Caliber（2-3.9in）,Depth 3,15in)

this product works great for me. i live in a tiny home with no pee trap in the shower. I also only have a small 20 gallon hot water heater and use a low pressure shower head with low water adjustment turned down to save water since I enjoy my hot showers.. this product drains good even with low water pressure going in the drain.. the only time it drains slower for me is because hair has accumulated in the hair catcher.. once cleaned it drains great and back to normal.. the cleaning is very easy, just pop off the drain cap in shower and clean filter and unscrews the valve and check to make sure no hair is there to be cleaned out,, very easy and quick just a few minutes of my time.. i do recommend this item if your willing to do quick maintenance on it.. 5 stars for me,, it was needed,, no more smell,,

I had flies and a very stinky smell that was worse when I took a shower, so bad we didn't use the connecting bedroom, tried everything except pumping the septic tank, this was easy to install, and I would buy this again in a heartbeat. Did I mention this thing is awesome, sleeping good now, have awesome non stinky showers too, no smell yessssssss

I purchased it based on the specs indicated and it was a good buy. However, if there is a good amount of water pressure it slowly drains the water but in reasonable time. May not be best for a bathroom as well, as it requires a bit of continuous cleaning due to scum build up.

The valve itself looks ok and has a unique sealing mechanism...as long as debris doesn't get stuck on the seal. My complaint is that the outer/gray plastic part of the valve is way too hard of a material. If you have to cut it down to a smaller diameter use EXTREME caution...and go SLOW. Even though I did this (it's mentioned in at least one other review)....It still cracked inwards...versus following the indented/circular groves made for this purpose. A softer plastic would have prevented this.PS No instructions and the included glue (?) was only marked in Chinese--I tossed it and used silicone sealant for mine. I'll update this post once I get some actual shower drain experience with it.

installed in floor drain in shower. was willing to put up with slow draining as long as odor problem was solved. after a few weeks this product was no longer blocking drain odor very disappointed as this was 2 days after return deadline.DON'T WASTE YOUR MONEY 11/19/24

Used chicken scissors to cut the flange trim. Very easy.Can work as a standalone drain cover. Comes with glue if you want to glue the flange (we opted not to glue it). Insteat, we to placeed underneath the legacy metal drain cover that screws down. Fits flush beneath the old drain cover. The main unit is threaded and comes with an attached "handle" to unscrew from the flange.Easily manages the volume of one valve, but will struggle slightly if you have a two-valve shower system (because there will be twice the water flow). Our two valve shower has a sunken 4" pan - and when both water valves are open, water will accumulate about 1/2" deep - but drains very fast once we turn off one valve, even though the other valve is still running. We view this as a positve as it allowes fresh water to accumulate in the corners of our 6'x3' shower (will save us cleaning time).System uses a magnet to close the valve when not in use. Weight of water will open the valve.Very pleased.

Just recently installed so can't attest to the longevity of the item. But it works exactly as it should. We are using it on a drain with minimal water going down it. I have not noticed any water building up so seems the mechanism works. But more importantly it is working to prevent odor and backflow of water. Would recommend.

I don’t write reviews, ever. But this thing deserves one. Our house is on septic and the downstairs bathroom didn’t have a trap installed - so there was a constant smell of sewage there. Installed this drain cover and the smell is completely gone. Absolutely does what it says and very well.