FlushSMART Toilet Tank Optimizer Insert/Bag
FlushSMART Toilet Tank Optimizer Water Displacement Bag - Reduce the water used on each flush by hanging this maintenance-free device in the toilet tank to displace water without decreasing flushing performance. Simply fill bag with water, hang in toilet tank and start saving up to 2 1/2 quarts with every flush. Save water and save money. Easy to use with instructions printed directly on bag. Valve is self sealing and anti-evaporative. Saves up to 4,000 gallons of water annually.