Slim 420H - Just started shipping - New PPFD Charts added + More Pictures - 3x3 Growers

Slim 420H NextGen Just began shipping April 15th. 

New PPFD Charts added for the 420H

6" Hanging Height: 1,430 PPFD

9" Hanging Height: 1,275 PPFD

12" Hanging Height: 1,177 PPFD

18" Hanging Height: 1,023 PPFD