The overflow box effectively transports aquarium water to under cabinet sumps, refugiums, or wet/dry filters.These high quality overflow boxes features bulkhead fittings for secure and convenient installation. The U-tube style compact overflow boxes are designed to fit between your tank and your wall to maximize space usage in your aquarium setup. With only 3 in. required between your tank and your wall, these boxes are excellent for optimizing space.Each box includes everything required to attach it to your system.
Features:
- U-tube
- Cylinder Foams
- Nylon screw and wing nuts
- Pre-filter Box
PF – Nano has 3/4′ bulkhead






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