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The Southwark Metal SBF36 Return Air Duct Plenum is a reliable solution for HVAC systems. Made from 26 gauge steel, this plenum is 36 inches long and ensures efficient air distribution. It features a hot-dipped galvanized finish for durability.
This return air duct plenum is designed to accommodate 1, 4, and 5 inch filters, making it versatile for various HVAC setups. Meeting ASTM A653 CS Type B standards, it ensures robust performance for domestic use.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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