Backdraft Damper Rocks 2 x 10 Liter

2 x 10 Liter

Mix 244 with 217

PC Connectivity-- opto-isolated USB with optional HI 92000 software and micro USB cable

Contains Mycorrhizae mycorrhizal inoculum (Glomus intraradices)

Wide Operating Range: Capable of operating efficiently across a broad range of temperatures and relative humidity levels

Backdraft Damper Rocks 2 x 10 LiterGalvanized Steel Backdraft Damper for Ventilation Ducting Built from durable galvanized steel, this backdraft damper is made for reliable performance in active ventilation setups. When your inline fan turns off, the internal flap closes to block reverse airflow, helping stabilize your environment and reduce backflow issues in duct runs. Stop Reverse Airflow to Help Retain CO2 and Reduce Odors By preventing air from flowing backward, it helps you save