In Sump Version - Deltec SC 3070 - This stands for Single Chamber, body diameter 300mm and total height 700mm The total height measurement includes around 20mm for cup removal Significantly exceeds performance of AP1004 (2400 lts of air - 230V) Footprint: 320mm x 320mm Footprint plus pipework: 383 mm x 325 mm Total air produced: 2x1500 to 2x1600 lts/hour Power consumption: 2 x 29W-31W Working water height in sump: 180-260mm Neck diameter: 160mm Outlet pipe size: 50mm Tank Suitability: 4000 lts heavy stocking 4800 lts normal stocking Remote drain of skimmer cup Air silencers Micro adjustable skimmer setting High water flow through the skimmer Optional self cleaning system New colour scheme No feed pump required, skimmer draws water directly from the sump Article no 81300000