Cold Water Tank (Bexley DA5)

Hello everyone,
                             I am searching for a black plastic, tower, cold water tank, to fit witin a tray 60 x 60 cm (any height). To replave one sized, base 57 x 57 cm and 84 cm tall.
If you have an item that you no longer require please let me know and I'll come and collect it directly.
Many thanks
Phil