Method Seven CLASSIC HPS CLIP ON growing-accessories Taking control of your environment—rather

Taking control of your environment—rather than being at the mercy of it—is tough work

This led to a negligence of key photoreceptors and pigments outside this range

Recommended Exhaust CFM: 840 CFM /

Worm drive adjustable w/screwdriver for a super-secure fit

Method Seven CLASSIC HPS CLIP ON growing-accessories Taking control of your environment—ratherMethod 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 HPS grow room glasses are the go to optical tool for indoor and outdoor growing under high pressure sodium lights. These polymer lenses are manufactured to exacting standards by Carl Zeiss. Notch filtering