The TYPE SS SLEEVE ROLL from Koch Filter Corp measures 18 inches by 135 feet, designed for versatile air filtration applications. This sleeve roll is ideal for use in various HVAC systems, providing effective filtration of airborne particles. Constructed from durable materials, it ensures long-lasting performance and compliance with industry standards. The TYPE SS SLEEVE ROLL is perfect for custom applications, allowing users to cut to desired lengths for specific needs. This product is sold individually, offering a flexible solution for maintaining clean air.