Eshopps PF-800 Overflow Box Corals Part Number: HI731321

Part Number: HI731321

Natural biological filtration media with an already settled bacteria population

Remove activated carbon from the filter before use if possible

place it back in water

Phosphate and Silicate Removing Media for Clearer Aquarium Water

Eshopps PF-800 Overflow Box Corals Part Number: HI731321Eshopps PF 800 Overflow Box Eshopps PF 800 High Flow Hang On Overflow The Eshopps PF 800 Overflow Box connects a non drilled aquarium to an under cabinet sump, refugium or biological filter without requiring permanent modification to the aquarium. Its hang on back U tube design transfers water over the tank wall and into an external overflow chamber connected to the sump drain. Rated for aquarium systems up to 100 gallons and flow rates up to 800 GPH,