Tankmasta 5000 Litre Bagel Underground Rainwater Tank
Adjustable Cone Riser
Tankmasta’s Toroid underground tanks are uniquely flexible with many optional accessories including the adjustable cone riser which allows the tank to be installed prior to establishing the final site level. When the site level is established simply cut the cone riser to the appropriate height, fit the ‘adjustable collar’ and you’re done!
Retention / Detention Adaptor
With one simple accessory Tankmasta are able to transform your underground water storage tank to a retention and or detention system to meet the requirements of your local council. Simply drill and appropriately sized hole!
Foam Filled Collar & Lid
For an extra touch of confidence when installing your Tankmasta Toroid underground tank under a driveway or high traffic area, Tankmasta offer a foam filled collar and lid with a C Rating Load Bearing.