Battery Adapter add-on for Opti Rack Fail Safe Fan V3 Electrical Version
Optirack Fail Safe Fan Version 3. Provides emergency ventilation in the event of extended HVAC failure, battery and power adapter available, D-cell batteries not included
Optirack Fail Safe Fan Version 3. Provides emergency ventilation in the event of extended HVAC failure, battery and power adapter available, D-cell batteries not included