Underground Water Tanks

Use our handy Tank Selector Chart to help you select from the wide range of tanks available

Polymaster Underground Tanks

Polymaster's Underground Rainwater Tanks are very neat packages for collecting roof rainwater, filtering it and storing it underground, available on demand with no noise, out of sight, simple operation. With the smallest footprint in the industry, Polymaster Underground Rainwater Tanks gives you the maximum capacity for the minimum square meterage.

Underground 2250Lt Rainwater Tank with SIP400 Filter

The "Bell Tank" 1600(W) 1870(L) 1870(H) with SIP400 Filter 

Product Code Capacity Dimmensions In Stock Price Order Qty
M2PURTSIP 2250 1870(h) 1630(w) 1870(l) 0 2,090.00

Underground 5000Lt Rainwater Tank with SIP400 Filter

The "Sub Tank" 1630(W) 3470(L) 1870(H) with SIP400 Filter 

M2PURT5000SIP 5000 1870(h) 1630(w) 3470(l) 0 3,388.00

Underground 2250Lt Rainwater Tank

The "Bell Tank" 1600(W) x 1870(L) x 1870(H)
Fully tested polyethylene tank designed to withstand ground and water pressure at depth. 

M2PURT2250 2250 1870(h) 1600(w) 1870(l) 0 1,925.00

Underground 5000Lt Rainwater Tank

The "Sub Tank" 1600(W) x 3470(L) x 1870(H) Fully tested polyethylene tank designed to withstand ground and water pressure at depth. 

M2PURT5000 5000 1870(h) 1600(w) 3470(l) 0 3,120.00

Underground 2250Lt Rainwater Tanks with Vortex Filter

The 'Bell Tank' 1600(W) x 1870(L) x 1870(H) with a unique self cleaning Vortex Filter, ideal for placing in ground to clean stormwater before entering tank.
 

M2PURT2250VF 2250 1870(h) 1600(w) 1870(l) 0 2,535.00

Underground 5000Lt Rainwater Tank with Vortex Filter

The "Sub Tank" 1600(W) x 3470(L) x 1870(H) with a unique self cleaning Vortex Filter, ideal for placing in ground to clean stormwater before entering tank. 

M2PURT5000VF 5000 1870(h) 1600(w) 3470(l) 0 3,790.00