The Frost King 1/2-in x 6-ft Foam Tubular pipe insulation is designed specifically for 3/4-in pipes, with an item thickness of 2 inches. This insulation offers an R-Value of 3.3, making it suitable for use in cold weather conditions to keep pipes warm. It is fire rated and manufactured with a 3-month warranty, ensuring quality and durability. The insulation is easy to install and comes in a convenient roll packaging, providing coverage for 6 feet of pipe. Designed with compatibility in mind, this product is suitable for use with copper pipes and offers reliable insulation for your plumbing needs.