Backdraft Damper - Spring-Loaded One-Way Airflow Valve pH Perfect Grow Temperature accuracy is +/-2%

Temperature accuracy is +/-2%

Today’s tents are made from a variety of materials that help keep the temperature consistent inside

includes compression nut and gasket

Use Clearex with every one to two reservoir changes

By using naturally occurring plant and biological compounds

Backdraft Damper - Spring-Loaded One-Way Airflow Valve pH Perfect Grow Temperature accuracy is +/-2%Prevent reverse airflow and protect your ventilation system with this professional grade spring loaded backdraft damper. Engineered with high quality steel and lightweight aluminum, this one way valve ensures air flows in only one directionkeeping bugs, odors, and contaminated air out of your grow room when fans are off. Why You Need a Backdraft Damper When your exhaust fan shuts off, negative pressure can draw outside air, bugs, and untreated odors