Fit’s Glacier Bay® Dual Flush Toilets only. The Glacier Bay® Dual Flush Valve is designed to be an exact replacement dual flush valve for your Glacier Bay 3” Flush Valve Toilet. Customize to your specific needs, with fully adjustable settings for both solids and liquids to enhance performance and save water. Clear and easy to follow instructions are included for a quick install. Built to last from high quality materials. Also consider a Fluidmaster® Toilet Fill Valve for complete fill and flush restoration. Fluidmaster®’s Glacier Bay® 3” Dual Flush Valve, for maximum performance and water savings.