50'x150' Black & White Woven Blackout Light Deprivation Film 9 Mil extraction On-screen tutorial messages

On-screen tutorial messages

Adjustable differential

keeping the meter safe and dry in the carry case so only the probes go into the nutrient container

requires no batteries or cords for use

It protects and activates the immune system

50'x150' Black & White Woven Blackout Light Deprivation Film 9 Mil extraction On-screen tutorial messagesBlack on one side & White on the other Control the light cycle in your greenhouse & hoop house Extra Tough 9 Mill Thickness Made From Reinforced Polyethylene Patented woven reinforced design for extreme weather UV Coated Reinforced with Multi Layer Patented Technology Waterproof Works in most Climates Anti Drip Properties