Filter sock... Yes or no?

[The Guy]

Originally Posted by Madmak

I use 2 4" socks in a setup like Delphinus described and they work fine for me. I change them after they begin to overflow, but I don't rush to do it. They catch the big crud and are easy to launder once a month or so. I keep about 20 in rotation.

I use the 4" sock and find it keeps the DT pristine, yes it's a PITA to turn them inside out for washing but totally worth the effort in my opinion. I rotate 8- 200 micron. I tried not using them but could see the difference in the DT after only 1-2 days. Yes! I would say use them.