and a 20 year design life
16" Vented inner Lid
Manufactured from a fully welded steel galvanised chassis and heavy duty running gear
1/2" BSP Bottom Outlet Feed
The 650 litre Baffled Water Tank comes with a 1" BSP Brass Outlet moulded into the tank ideal
25000 Litre Underground Flat/Shallow Dig Water Tank - Graf Platin XXL --1100 Litres and a 20 year designThe Graf Platin Shallow Dig 25,000 Litre Underground Storage Tank suitable for Non Potable Water, Wastewater, Raw Sewage, Effluent, Silage, Slurry, cesspool, Rainwater, Grey Water & Blue Water. These underground water tanks are Simple & quick to install, High quality, robust, polyethylene tank & related accessories for use with a wide range of media. Adjustable lid height for flush alignment to ground level. Pedestrian telescopic lid as standard, 3. 5