Alright, today I recived a package containing two 4” filter media cups made by rimmer & rimmer machine shop.
First impressions were “WOW” these are well made. They used thick bpa free polypropylene and are very nice. On Marinedepot’s site ( where I ordered these from) it said it will fit a GEO series sump. They don’t,so I came up with this idea.
I grabbed two unused felt 4” socks and removed the felt. Then trimmed the plastic back on the rings. Slid the up the cups, and presto they work awesome!!
See pics
First impressions were “WOW” these are well made. They used thick bpa free polypropylene and are very nice. On Marinedepot’s site ( where I ordered these from) it said it will fit a GEO series sump. They don’t,so I came up with this idea.
I grabbed two unused felt 4” socks and removed the felt. Then trimmed the plastic back on the rings. Slid the up the cups, and presto they work awesome!!
See pics