AC Infinity Automatic Booster Duct Fan, Inline Fan with Pressure Switch, 4-Inch X Nutrients bloom The Harvest Keeper Vacuum Sealer

The Harvest Keeper Vacuum Sealer allows you to control the seal time of your bags between a 5–8 sec range

This allows the end user to be able to adjust the overall light intensity over the canopy area and allows for greater ability to raise and lower the light over the canopy while maintaining a desired umol count

Outfit the Growlab Horticultural with the ventilation fan

Built-in socket with 15' ballast cord

AC Infinity Automatic Booster Duct Fan, Inline Fan with Pressure Switch, 4-Inch X Nutrients bloom The Harvest Keeper Vacuum SealerInline duct fan for boosting airflow in ducting and vent systems to ensure heating or cooling delivery. Automatically activates the ventilation fan by detecting pressure change to eliminate manual adjusting. Differential pressure switch supports mounting in any position to improve directional airflow versatility. Features five fan speed levels powered by the PWM controlled EC motor for more precise ventilation. Duct Size: 4 Dim: 11. 88 x 9. 11 x 9. 25