The FMR75 Fluidised Reactor has been developed by D-D to give the ultimate low cost solution for fluidising a whole range of materials that are used on your marine or freshwater aquarium.Many smaller reactors on the market look good, are packaged well and are competitively priced however when you get down to using them they just do not tick all of the boxes. D-D have spent a lot of time ironing out the bugs to make this a flexible product, ideal for all hobbyists. Suitable Medias:• Rowaphos or Phosphate Removers• Nutrifix Bio Pellets (Up to 700ml) • Carbon• Biological Sand as a fluidised sand filter Dimensions:128mm x 94mm x 440mm (including fittings and lid)Reaction tube outer diameter - 80mmTube height between upper/lower perforated plates - 340mmCan hang on glass up to 25mmDesigned to be the correct height to hang on a 15" sump (will stand inside smaller sumps or hang onto taller sumps). Box Contains:1 x FMR reactor3 x lengths of clear plastic tubing1000l/h pump (included on FMR 75 KIT model only)1 x Non return valve1 x Flow adjustment tap2 Grades of media sponges (1 of each)8 x cable ties for securing the pipework