Advanced Nutrients Sensi Grow B Professional Series, 25 Lb light Heavy-Duty Construction: This fan features

Heavy-Duty Construction: This fan features weather and corrosion-resistant steel shutters that close automatically when the fan is not in use

Plant directly in transplant hole for direct contact with roots

One simple controller to manage ALL of your indoor garden's climate parameters

nurseries and outdoors

All-in-one design works with all ballast wattages

Advanced Nutrients Sensi Grow B Professional Series, 25 Lb light Heavy-Duty Construction: This fan featuresFor large scale growers, Sensi Grow Part A+B Professional Series provides a powerful two part base nutrient in an easy to use powder form. Economize your grows with advanced nutrient technology.