Our removable duct option allows easy access to the damper for inspection and testing as per the IBC. Add Ductmate DM-25, DM-35, or DM-45 flanged duct connections to a stand-alone sleeve or duct section which can be easily removed for full, unobstructed access to the damper.
Removable Duct OptionSignifying our commitment to quality, Pottorff now offers select dampers with AMCA Air Performance Certification. To quality, a product must undergo rigorous testing and evaluation, which includes measuring for airflow, energy consumption, fan efficiency, static pressure and sound.
Our new Fire Closure Device features a single-temperature, manually resettable electric thermostat and is more economical than competing devices.
HS-10-MThe EFJ-145 is designed with a 1-1/2” frame and a 45-degree J-blade, making it ideal for intake and exhaust applications where water infiltration protection is not a primary concern. This model is perfect for situations with limited sizing options that demand optimal airflow.
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