The Extra-Thick Wax Ring w/ Flange is designed to create a reliable seal for toilets with 3-inch and 4-inch waste lines. This durable wax ring ensures a leak-free installation, preventing any unpleasant odors from escaping. The included flange provides added stability and support, making it easier to align your toilet during installation. Ideal for both new installations and replacements, this wax ring is compatible with most standard toilets. Its robust construction guarantees long-lasting performance, meeting industry standards for quality and reliability.