Air Distribution · Concentric Boxes
Concentric box with filter return
Concentric supply/return assembly — Ceiling
ConnectionSupply center + filtered return
SupportIndependent support
How to install it
- 1
Install box
- 2
connect supply
- 3
install filter rack on return
- 4
verify filter removal
- 5
mount face.
Quality check
- Filter accessible, no bypass, chambers isolated
Stop and verify
Stop if filter cannot be removed