The skimmer for this setup was a Skimz SN143 The sump has a 1" intake bulkhead, dual 4" filter socks, an adjustable water level skimmer area, a refugium section, a media tray/block filter sponge and a return pump compartment.
Here was a 30" cube sump for an MR members 36" 150g cube tank. The MR member uses an external skimmer and needed someplace to dump the skimmers output water as well as a space to run his reactors. The sump has dual 1 1/2" intakes, dual 7" filter socks and an adjustable water level.
Here was a sump for an MR members 45g tank. It has a 1" intake bulkhead, a 4" filter sock, an adjustable water level skimmer chamber, a refugium and a return pump chamber with a 3/4" bulkhead output. This sump also has a built-in 3 gallon ATO reservoir.