Nominal Tank Capacity 2730Litres (600 Gallons) Dimensions (LxWxH) 1979x1369x1299mm 78x54x51 ins WRAS Approved Product. Tank is complete with a Sealed Lid, Screened Air Inlet Vent and 25mm Insulation on the Lid and Sides. Note : Tanks must be mounted on a flat level platform supporting the whole of the base.