Backdraft Damper 8 - Ducting Insert 8" Black Galvanized Steel PH/EC/TDS Meters and Solutions Once buds emerge

Once buds emerge

Get the enzymes down at planting times—2-3 times during the growing season so it’s always available to the plants

but not limited to: Tomato Plants

aluminum frame

Packing: 55 units per case

Backdraft Damper 8 - Ducting Insert 8" Black Galvanized Steel PH/EC/TDS Meters and Solutions Once buds emergeAn antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications. Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts. Mounts horizontally or vertically to prevent backflow and debris from entering ducting. Galvanized steel body with spring loaded aluminum damper blades that open with minimal airflow. Fit for 8 in. Duct Openings Product Length: 5. 03 inches Finish: