The MULTI-PLEAT GT XL11 HC filter measures 24"x24"x4" and is packaged in sets of 6. Manufactured by Koch Filter Corp, this high-capacity pleated filter is designed for superior air filtration in HVAC systems. Its unique pleat design increases surface area, allowing for higher dust-holding capacity and longer service life. Constructed from high-quality materials, it effectively captures a wide range of airborne contaminants, ensuring cleaner air in commercial and industrial environments. This filter meets or exceeds industry standards for efficiency and performance.