The name "420" references the area of the spectrum produced by this lamp. The 420 provides the most crucial spectrum needed during the veg cycle. This high UV A spectrum adds nutrient values that are vital to plant growth and sustainability when combined with the FS+UV. This lamp maximizes the initial growth process because it is a true veg light.
Item Number: 402223
Universal Product Code: 639125804202
Manufacturer: EYE Lighting