Growers Choice ROI-E420 LED double-ended Visible improvements in root mass

Visible improvements in root mass and plant vigor are typically observed within 2–4 weeks

Using the hole closest to the lamp will give the most focused light spread

• Chemical-resistant straps with adjustable pads

6500 Kelvin/4

1 Bio Minerals (200gr)

Growers Choice ROI-E420 LED double-ended Visible improvements in root massThe ROI E420 series Horticulture LED System. An inspired collaboration between two of the most respected lighting companies in horticulture industry. TSL Horti Tech and Growers Choice have joined forces with their years of innovative experience to create this high performance and cost effective lighting solution for commercial horticulture."