Southwark 311818, 18x18 Return Air Frame, Silver Galvanized Steel
Southwark 311818, 18x18 Return Air Frame, Silver Galvanized Steel
- Face size 18x18 — fits a 18x18 duct opening
- Silver hot dipped galvanized steel per astm a653 cs type b construction
- Genuine Southwark part 311818
Request a quote
Need a custom build, freight order, or just want pricing in writing before you order? Quotes back within 24 hours.
The Southwark 311818 is a 18x18 silver hot dipped galvanized steel per astm a653 cs type b accessory, built to install in the duct run. A direct upgrade or replacement for a worn or builder-grade hvac air distribution accessory in homes, offices and light-commercial spaces.
For the installer: The listed size is the duct opening size, not the overall faceplate — measure the opening, not the old face. Material gauge: 30 GA. Country of origin: USA.
Howdy Brewer ships genuine Southwark product. Manufacturer part number 311818.
Howdy Brewer Guarantee — Every product we ship is genuine Southwark. If it arrives damaged or defective, contact us with your order number and we'll make it right with the manufacturer.