Method Seven RESISTANCE HPS double-ended • For portable use

• For portable use

and 240V input voltages

You will be truly amazed at the size of the flowers and the brilliance of their colors

And it's a nutrient jungle with alfalfa

Method Seven RESISTANCE HPS double-ended • For portable useMethod Seven designs high quality glasses and photo filters for indoor and outdoor growing environments. Our grow room glasses provide true color in bright lighting and are optimized for each of the standard grow lighting spectrums. Lens Technology Perfect Color HPS grow room glasses are the go to optical tool for indoor horticulture under high pressure sodium lights. These mineral glass lenses are infused with rare earth elements to filter the grow