Method Seven Evolution HPS+ Matte Black Rack Tent Iron and mineral scale build-up

Iron and mineral scale build-up from our Commercial Series RO membranes

Fusarium and White Mold

3100K CMH Lamp included

In the event of a power failure

Method Seven Evolution HPS+ Matte Black Rack Tent Iron and mineral scale build-upMethod Seven Evolution HPS Plus Glasses Matte Black Your go to optical tool for growing under high pressure sodium (HPS) lights. HPS Crystal lenses are crafted from German mineral glass that's scratch resistant, easy to clean and never hazy. Infused with earth elements to filter the grow room light spectrum and restore natural color, making it easier to spot issues like pests and nutrient deficiency. Our HPS Crystal lenses block ultraviolet light and