20x25 Return Plenum (C Cabinet) Heat Kit R value: R6

R value: R6

efficiency

Additionally

80K Stages Single-Stage Cabinet Size B AFUE 80% Configuration Upflow / Downflow / Horizontal Left/Right Warranty 10 Year Parts

20x25 Return Plenum (C Cabinet) Heat Kit R value: R6This insulated 20x25 return plenum (C Cabinet) is designed to house either a 1" or 4" filter, offering flexibility for standard or high efficiency filtration. Built with durable, galvanized steel and fully lined with insulation, it helps reduce noise and condensation while improving airflow. Compatible with most residential HVAC systems requiring a 20x25 return size, this plenum ensures cleaner, quieter, and more efficient operation.