The STK-10 ROLL features a generous size of 18"x90' and is sold as a single roll by Koch Filter Corp. This roll is perfect for custom air filtration solutions, allowing users to cut the material to their specific needs. Made from high-quality filtration media, it effectively traps dust, pollen, and other airborne contaminants, ensuring cleaner air in any environment. Its compatibility with various HVAC systems makes it a practical choice for both commercial and residential applications. The roll format provides flexibility and convenience for users looking to maintain optimal air quality.