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Eshopps PF-1200 Overflow Box, 150-200 gal tank, Dual

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Eshopps PF-1200 Overflow Box, 150-200 gal tank, Dual

Add an overflow to any aquarium with Eshopps PF series of hang on back overflows. Adding a sump to a tank will allow you to hide equipment and while adding water volume making your tank more stable. Traditional overflows require you to drill holes in your aquarium where Eshopps PF HOB overflows use a siphon to draw water over the wall of the tank without any modifications to your aquarium. 


Model Dimensions Bulkheads U-Tubes Recommended Tank Size Max Flow Rate
PF-Nano 4" x 2.5" x 8" One 3/4" One 10-20 Gallons 200 GPH
PF-300 6" x 3" x 10"  One 1" One 35-75 Gallons 300 GPH
PF-800 8" x 3" x 10" One 1" One 75-125 Gallons 800 GPH
PF-1000 9" x 3" x 10" Two 1" Two 125-150 Gallons 1000 GPH
PF-1200 10" x 3" x 10" Two 1" Two 150-200 Gallons 1200 GPH
PF-1800 12" x 4" x 10" Two 1.5" One 200-300 Gallons 1600 GPH

In most cases, we would recommend drilling your aquarium and using an internal overflow like the Eshopps Eclipse, but in some situations, a HOB style overflow may be the best option. Hang on back overflows do require more monitoring and safety precautions to be in place, but can be completely reliable if installed properly and maintained regularly. Installation only takes a couple of minutes, and the PF-1000 only requires 3" of clearance outside the tank to drain water down to a sump, refugium, or wet/dry filter. Just lower the overflow box onto your aquarium and then connect your favorite type of plumbing to the included 1" bulkheads.


Item # Model Dimensions Tank usage
10100 PF-Nano 4"x2.5"x8" 10-20g Nano
11000 PF-300 6"x3"x10" 30-75g Single
11005 PF-800 8"x3"x10" 75-125g Single
11010 PF-1000 9"x3"x10" 125-150g Dual
11015 PF-1200 10"x3"x10" 150-200g Dual
11020 PF-1800 12"x4"x10" 200-300g Dual