The KDF600 PAD 20"X25" from Koch Filter Corp is an advanced air filter pad designed for optimal filtration. Sold in a carton of 25, this pad measures 20 inches by 25 inches, making it compatible with standard HVAC systems. Its construction allows for effective capture of dust, allergens, and other airborne particles, ensuring cleaner air. This filter pad meets industry standards for performance and durability, making it a reliable choice for both commercial and residential applications. Enhance your air quality with the KDF600 PAD.