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12" unit with three corona discharge cells
01 mS/cm EC Accuracy (@25°C/77°F) ±2% F
The Spring Pot Burner 15 Gallon fabric pot grow bag is the smart pot choice for hobby and commercial growers looking for an optimal performance grow bag that air-prunes roots for faster plant growth and higher harvest yields
This universal bacterium is one of a kind and HIGHLY EFFICIENT simultaneously fixing nitrogen
Frame 9, Black - Passive Ventilation Grill 18" MH 12" unit with three coronaDesigned to be installed into cabinets or walls to help increase ventilation. Can also be used in conjunction with a fan system to act as an intake or exhaust vent. Includes optional hardware to secure three 120mm fans onto the grille, and mount it into your cabinet or wall. Features a CNC machined aluminum frame with a brushed black finish; and honeycomb grille insert. Kit includes (4) wood mounting screws, (4) machine mounting screws with nuts, (12)
