The standard fittings are:

Dimensions:
Height: 920mm
Diameter: 600mm
Outlet Size: 25mm BSP
Dimensions:
Height: 1310mm
Diameter: 800mm
Outlet Size: 25mm BSP

Dimensions:
Height: 1100mm
Diameter: 1300mm
Outlet Size: 25mm BSP
Dimensions:
Height: 1400mm
Diameter: 1100mm
Outlet Size: 25mm BSP
Dimensions:
Height: 2000mm
Diameter: 1300mm
Outlet Size: 25mm BSP
Dimensions:
Height: 2000mm
Diameter: 1500mm
Outlet Size: 25mm BSP
Dimensions:
Height: 2200mm
Diameter: 1700mm
Outlet Size: 50mm BSP
Dimensions:
Height: 2200mm
Diameter: 1850mm
Outlet Size: 50mm BSP
Dimensions:
Height: 2400mm
Diameter: 2050mm
Outlet Size: 50mm BSP
Dimensions:
Height: 2300mm
Diameter: 2500mm
Outlet Size: 50mm BSP
Dimensions may vary due to different shrinkages during the rotational moulding process.