Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

https://www.homedepot.com/p/Amerimax-Home-Products-Flex-Grate-White-Vinyl-Downspout-Filter-4490/205076357

https://www.ebay.com/itm/122637151259?chn=ps&mkevt=1&mkcid=28

https://www.thedrainguard.com/

https://yostmfg.com/products/2x3-drain-guard