2” vent valve
an option of different size BSP male outlets
Brim-full Capacity: 1210 litres
Brim-full Capacity: 1498 litres
This NON Potable Underground Water Tank (Not Suitable for Drinking Water) is Made In Britain and is frost proof so it will not crack in cold temperatures
46000 Litre Underground Water Tank - Graf Carat XXL --2700 Litres 2” vent valveThe Graf Carat 46,000 Litre Underground Storage Tank is suitable for Non Potable Water, Wastewater, Raw Sewage, Effluent, Silage, Slurry, Rainwater, Grey Water & Blue Water. CARAT tanks are manufactured from high quality, robust, polypropylene and supplied fully assembled except for the domes which are supplied separately for fitting on site by others. The Carat range can be installed using granular or concrete backfill options, subject to ground