The Fluidmaster 7530C Better Than Wax, Wax-Free Toilet Seal provides a superior solution to old, messy wax toilet seals. Designed to be a quick, hassle-free toilet seal replacement that is the easiest toilet gasket to install. Unlike regular wax gaskets the Better Than Wax design allows for them to be repositioned during setting, and plunging won't cause leaks. Better Than Wax replacement toilet seals work above the ground, even with the ground, below the ground, or on uneven surfaces. This universal toilet gasket also fit’s any toilet, drain, or flange including 3" or 4" waste lines. This superior solution eliminates wax, cuts down on repair time and achieves a gas tight, odor tight and watertight seal. Also featuring durable no rust brass bolts and hardware, and a 1-year warranty. Better Than Wax removes the hassle and eliminates the worry when replacing your toilets wax gasket.