The STK-10 PAD 4"x14" from Koch Filter Corp is designed for efficient air filtration in various HVAC systems. This pad, sold in a carton of 25, features a robust construction that ensures durability and high performance. With dimensions of 4 inches by 14 inches, it fits seamlessly into standard filter frames. The pad is engineered to capture airborne particles effectively, enhancing indoor air quality. Ideal for commercial and residential applications, it meets industry standards for filtration efficiency, making it a reliable choice for maintaining clean air.