The NEW McDaniel's External Filter Rack ACG1625-3 is a high-quality pleated filter designed for use in furnaces. Made by the trusted brand McDaniel's, this filter rack fits 16x25x1 or 2" filters, making it a versatile and efficient option for HVAC systems. With dimensions of 28-1/2" in length, 3-3/4" in depth, and 16" in width, this rack is designed to effectively filter out impurities and ensure clean air circulation in your home or commercial space.