The Fluidmaster 5401GBP4 3 inch Toilet Tank Flapper for Glacier Bay is built to last. Solid construction from corrosion resistant materials and the durable silicone seal promote long life and lasting performance. A standard 5 year warranty is included. This model features fast and easy installation that saves time and quickly upgrades your toilet water usage per flush. An adjustable toilet repair part built to replace Glacier Bay models, but suitable and fits other toilet models including American Standard and more. Suitable for 1.28 HET and 1.6 GPF models with a 3 inch toilet flush valve. The solid frame secures a proper seal, while the adjustable dial maximizes your toilets performance. Upgrade your toilet's water usage and save money with this durable design.