The SPT-30 PAD from Koch Filter Corp, measuring 20"x180", is designed for extensive air filtration needs. This pad is perfect for large HVAC systems, providing superior filtration efficiency. Made from high-quality materials, it captures a wide range of airborne contaminants, ensuring cleaner air. Its extended length allows for versatile applications, making it suitable for various filter setups. This product meets industry standards for performance and reliability, making it a trusted choice for both commercial and residential environments.