10 inch Backdraft Damper Harvest Hero The HI98331 has an integrated

The HI98331 has an integrated temperature sensor that is used so that EC measurements are automatically temperature compensated

The case holds eight counter displays of twelve packs each

General Hydroponics TriShield Insecticide

A 60 mm bed of virgin charcoal scrubs odor and VOCs before air leaves the room

Electronic Water Pressure System for Constant Pressure

10 inch Backdraft Damper Harvest Hero The HI98331 has an integratedAtmosphere's all new galvanized steel back draft dampers fit directly into the duct simplifying installation. They feature a shaft for each of the 2 flaps so to prevent jamming. Also, the flaps close onto a perimeter gasket ensuring the best air seal and quiet operation.