Toilet Tank Bank™


Toilet tank flushing water saving device. 


Every flush saves water with this maintenance-free toilet tank displacement bag. The Tank Bank™  is a very simple water saving device to install.  Just fill to top, snap to close and hang in toilet tank. Will not interfere with flush mechanics.

Technical Details

  • Will save up to 2 litres per flush 
  • More than 20000 l of water saved per year (household of 4) 
  • Constructed of non-corrosive materials that resist microbes & fungal growth 
  • Anti-evaporation snap/airlock means the bag never needs refilling and prevents odors 
  • Will not interfere with flush mechanics 
  • For toilets purchased prior to year 2000



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