Method Seven CLASSIC HPS CLIP ON growing-accessories This ballast's constant wattage output

This ballast's constant wattage output means no lamp flickering and with the flip of a switch it can be converted from MH to HPS ballasts

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

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

00 - Length (in): 0

Recommended Exhaust CFM: 840 CFM /

Method Seven CLASSIC HPS CLIP ON growing-accessories This ballast's constant wattage outputMethod 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