This set of 3 green Seal-O rubber rings ensures a strong, reliable seal. These durable rubber rings are designed to form a tight, leak-proof seal in a variety of applications. They are made of high quality materials with excellent resistance to abrasion, chemicals and extreme temperatures. Available in a variety of sizes and color-coded for easy identification, these Seal-O Rubber Rings are an important part of maintaining the integrity of your system. Whether you're working on a plumbing, automotive or industrial project, this set of sealing rings will provide you with the reliable sealing solution you need. With these reliable Seal-O Rings, you can keep your equipment running smoothly and prevent costly leaks.