Black Amerimax Home Products 4400 Downspout Filter

I cut the duct part, and hot-glued a screen to filter out pine needles and other debris. Since water can spill over, I made a rubber rectangle insert that acts as door. Very nifty product, thanks

The design of this product is quite unique though it makes such good sense that I'm not sure why more downspouts are not the same. This downspout has an easily accessed grate close to ground level that filters out leaves and other debris before they get into outflow pipe (which usually in this kind of application, is buried under soil and/or mulch). While overwhelming amounts of debris might still get stuck up in the gutter (requiring periodic cleaning), this grate has already caught leaves which I easily removed. The caveat of course is that the grate has to be cleaned after major rainstorms which, here in Colorado, are usually periodic and not frequent. I will have to use this grate through the upcoming year to know for sure if its effectiveness continues. For now, I am strongly recommending it.

Works reasonably well. Easy to install. I ran the 2x3 downspout into the top, (it will accept 3x4,) and easily flexed the piece here into a 4" PVC schedule 40 pipe that I had buried to run rainwater 20 feet out into the garden. Quick arrival from Amazon, inexpensive solution, easy to install. Like others, I wish it came in white, but I will likely spray paint it later. It doesn't catch absolutely every piece of nature's particulate, but leaves and twigs that would clog the underground pipe over time are easily fished out of the grate. Very little water splashes out. Good product, performs as advertised. If it lasts 5 or six years I'll be happy...it would be cheap and easy to replace. Invisaflow is an odd name...you can watch the water flow through this product!

I am so glad I got these. I have sponges in my gutters that trap the majority of stuff that they come into contact with and when I do clean my gutters twice a year I purposefully spray the junk from the gutters towards the downspout as this thing catches the rest. Just pull out everything by hand and lets the water drain into my tile and away from my foundation walls. Extremely glad I found this product.

Has anyone who gave this product 5 stars actually been outside to see it while it’s raining? More water pours out of the opening than goes through it, completely defeating the purpose of installing it. Great idea but poor execution. Needs a door over the enclosure that keeps the water in but can be opened for clean out. I bought 2 and used one to cut up and make my own door.

Installation went smoothly. I made sure to leave several "ribs" un-extended, in case my 4-in pipe settles any. I also made sure that I did extend a few of the "ribs", which should make it easier to compress and remove later if needed.Over time, I saw leaves and helicopter seeds get stuck on the grate, allowing some water to splash out. During a heavy downpour, a lot of water would splash out. So I ended up removing the grate (it's a separate piece of plastic). So I'm just using it to transition from my downspout to my 4 inch PVC pipe, which works well even in a heavy downpour. (I'm sure junk is accumulating at the termination of the drain, but I have this set up as a T which trains down and also up to ground level for the heavier rains, so it should be fine. Once or twice a year I reach in there and take out some junk, like when there's been a lot of fallen leaves or maple seeds.)I have read a review on another site recommending you cut a strip of plastic off the bottom of the square opening to help the leaves fall out. I STRONGLY ADVISE AGAINST THIS. I tried it, and it actually lets more water spill out during heavy flow. It also causes the grate to shift in position and worsen the accumulation of leaves.

looks like it will do the job. only complaint is I wish it was longer so I don't have to go buy an attachment.

Mixed results at best. Performed well on house near Pine trees. The pine needles caught & washed away fine. Installed on a different house with many Bay trees & Japanese Maples nearby......terrible results with those leaves constantly trapped, resulting in constant overflow flooding areas adjacent to house. Overall limited practical application.