The Franklin Machine Products 124-1634 Filter Air is a high-performance filtration unit tailored for HVAC systems, measuring 16"H x 20"W x 2"D. This product features a polyester media housed within a durable cardboard frame, designed to meet the demands of various industrial and commercial applications. The filter is rated at MERV 7, signifying its efficiency in capturing large particles such as dust and mold spores, making it suitable for environments where air quality is a priority. The UL certification ensures that it adheres to stringent safety standards, providing peace of mind to users across different market segments, including residential buildings, offices, and industrial facilities. Packaged conveniently with 12 units per case, this filter is ideal for bulk purchasing, reducing the need for frequent reordering and ensuring consistent air filtration performance. The combination of robust materials and a thoughtful design makes the Franklin Machine Products 124-1634 Filter Air a reliable component for maintaining optimal air quality within HVAC systems.