This SUPPLY AIR DUCT PLENUM is built with galvanized steel material, ensuring its durability and strength. Measuring 21 x 21 x 36 inches in length, this plenum is perfect for use in HVAC and refrigeration systems. It is made with 26-gauge steel that is guaranteed to last for a long time, making it a worthwhile investment for any business or industrial setting. The plenum is unbranded/generic, making it versatile and suitable for any brand or type of system. It is also designed as a plenum and filter box, ensuring efficient air supply for optimal performance. Manufactured in the United States, this plenum guarantees quality and reliability.
eBay