Backdraft Damper - Spring-Loaded One-Way Airflow Valve pH Perfect Grow Today’s tents are made from

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

Use Clearex with every one to two reservoir changes

includes compression nut and gasket

The colors are naturally derived and are light

Backdraft Damper - Spring-Loaded One-Way Airflow Valve pH Perfect Grow Today’s tents are made fromPrevent 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