The MEP fabrication database now contains 2 new patterns for advanced manufacturing filter plenum boxes. You now have patterns for Plenum CID 1206, which is closed at the back and Plenum CID 1207, which is open at the back.
source
The MEP fabrication database now contains 2 new patterns for advanced manufacturing filter plenum boxes. You now have patterns for Plenum CID 1206, which is closed at the back and Plenum CID 1207, which is open at the back.
source