Eshopps PF-1200 Hang on Overflow Box up to 200gal

The overflow box effectively transport 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.FeaturesU-tubeCylinder FoamsNylon screw and wing nutsPre-filter BoxPF-Nano has 3/4" bulkheadPF-300 to PF-1200 has 1" bulkheadsand PF-1800 has 1.5”