Rated up to: 475 gallons Holds: 2000ml | Dim: 8.3″ x 8.3″ | Body Diameter: 5.5"″ | Height: 20.9″ Requires feed pump: 800~1000gph FEATURES Solid Construction Reverse Cone Dispersement Plate UpperContainment Screen Union Fittings Check Valve Biopellet Reactor specifically designed for the use of solid carbon dosing biopellets These Revolutionary Media Reactors have a fluidizing cone bottom design to help keep the Biopellet media in suspension and evenly disperse the water upwards, without restricting the flow through the unit. These advanced reactor units also includes fastening screws on the lid for a sure tight seal and a mesh NEW durable acrylic screen to keep the biopellets within the reactor without the risk of restricting flow or clogging like other media reactors on the market. These units come in 3 different sizes. Recommended Tank Size Up to 475 Gallons Capacity: 4600ml Suggested Amount: 2000ml* Diameter: 5.5″ | Height: 21″ Footprint: 7″ x7″ - 8.3" with lid Input & Output: ½” Direct PVC or barb fittings ½" or 5/8” barb fittings Requirements - BioSphere Media - Feed Pump producing ~1000Gph with valve - Hoses Warranty - 1 year warranty on reactor body. *depends on brand of BioPellet media used. Note: BioSphere media recommended Octopus Pellet Reactor Model Diameter Height BR-70 2.75" 14.5" BR-110 4.3" 14.5" BR-140 5.5" 14.5"