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Toilet Displacement Bag


Quick Overview

Niagara N3137
SKU: N3137


Niagara's Toilet Tank Bank™ is an easy-to-use, quick-to-install water saving device. Simply fill will with water and clip onto the inside of the tank wall. With a patented air lock and fill valve, the Tank Bank™ eliminates water evaporation and odors and will never require maintenance.


  • The Tank Bank™ is the easiest device to use to save water - fill to top, snap to close and hang in toilet tank.
  • Every flush saves water with maintenance-free toilet tank displacement bag; up to 0.8 gallons per flush!
  • 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.

Additional Information

Manufacturer Niagara Conservation