600w High Pressure Sodium DE Bulb Jumbo Jr The ARS-1 is a universal

The ARS-1 is a universal controller that works with most mini-split air conditioners (and some window-type AC units too)

Suitable for installation at the entrance of pumps

Made in the U

PPM settings for tomatoes

thanks to the unique design of its disc grooves​

600w High Pressure Sodium DE Bulb Jumbo Jr The ARS-1 is a universalCompared to single ended lamps, double ended bulbs are more effeciant by using the same wattage to produce higher par and lumen ratings. They have a higher red spectral ratio enhancing flowering and growth. Double Ended bulbs also provide minimal light deterioration for maximum intensity and lifespan. 5 reasons why double ended lamps are superior to traditional HPS bulbs: 1. They are more efficient, using the same 1000 watts to produce higher par and