Description Turn a spare MJ Pump Into a Detritus Vacuum   Take your ordinary MJ Utility pump and add this 3D-printed vacuum attachment for the ultimate cleaning tool. Make quick work of detritus and other debris in your sump and bare-bottom tank.   The Ultimate Aquarium Maintenance tool   Compatible with both Marineland and Cobalt Aquatics MJ Pumps Works with the MJ600 to MJ1200 Can be used with any hose with a 3/4in OD (outer diameter) Related