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A simple and easy to use filter sock holder that works with most rimless and rimmed tanks.
The Skimz BM4 Filter Sock Holder is a great addition to any sump or tank that does not currently have the abiltiy to hold a filter sock. With the BM4 you can use almost all 4" filter socks on the market today, we do prefer to use the Skimz brand filter socks for the best fit however. The plastic set screws let you securely attach and remove the bracket in seconds.
