Honeywell
Automatic Round Damper - 8"
Zone Damper Side Mount - 16x10
Fantech
Backdraft Damper - 5"
Zone Damper Bottom Mount - 8x8
Rheem Manufacturing
Econet Zoning Damper 8x18
Research Products
Rectangle Side Mounted Damper Power Close Spring Open - 10x18
Zone Damper Bottom Mount - 8x18
TrueZone Panel - 2zones with Transformer
Zone Damper Side Mount - 18x8
TrueZone Panel - 2zones
TrueZone Panel - 4zones 3H/2C with Transformer and Sensors
Static Pressure Damper - 8"
Economizer Automatic Round Damper - 6"
Backdraft Damper - 4"
Automatic Round Damper - 6"