water tanks - 600L - Nylex Plastank slimline - 2 of
Slimline 600L rainwater tanks. Good quality, Aussie made. One used, one never been connected or used. Find it here : https://nylextanks.com.au/product/600l-slimline-water-tank/. About $600 each new. Has a drain tap fitted at the bottom and an overflow pipe at the top. There were 2 when i bought my house, one connected and one spare and never used. $250 each