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BM4 Sump Filter Sock Holder - Skimz

Skimz BM4 hang-on filter sock holder fits standard 4″ filter sock, to remove excess food, detritus, organic waste, dust, any particles and results in crystal clear water.

BM4 can be mounted on a rimmed or rimless tank with 4 to 23mm thick glass or rims.


- Fits standard 4″ filter sock
- Thread holes on both side for versatile mounting arrangement
- Made from 6mm thick acrylic
- Rimmed and rimless tank compatible

Dimensions: 106 x 172 x 45mm

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