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Apparently they require some sort of adapter? I don’t think those will work, or that’s what I’ve heard anyway.Or any 4"![]()
4" Filter Media Cup
Run Carbon GFO or any other media in the Red Sea Filter Media Cup. Pack the Red Sea Filter Media Cup with filter floss, ceramic media, carbon, gfo, or any other media you want. The slots at the bottom half of the cup force water to flow down through your media before it can freely exit. With the...www.bulkreefsupply.com
These dont work because trigger sumps have oval holes, those you pointed out would leak and not provide a good seal in a oval hole.No, just remove your socks and put these on, inside you can put filter cloth and biomedia
I spoke with them through email and had them send me a new plate that was supposed to be for 4 inch socks for my CR44. The plate they sent me has bigger holes that the original and as apposed to having to squeeze the cups or socks to get them on, they fall through the holes.
The Filter media ones do work you have to squeeze them to fit. I also tried the Ice Cap ones but they are harder plastic and harder to squeeze to make them fitTrigger referred me to filter media.com. They said that they have cups that fit? I wonder if anybody out there has tried them? I’d hate to order three of them with three adapters and they not fit.
Filter media.com said their plastic socks will work with a adapter? I emailed them back to ask them a couple of more questions before I bought them and they won’t respond now? I need to know for sure if they’re going to fit before I buy them? I’m starting to think that it’s just not going to happenThe Filter media ones do work you have to squeeze them to fit. I also tried the Ice Cap ones but they are harder plastic and harder to squeeze to make them fit
Have you tried a different cup?Its hard to tell in the pic but the cup falls through

