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3 micron (6 micron with ballast)
Flush mounting and hanging clips
PCB & Organic Chlorine Reduction: Granulated Catalytic Activated Carbon adsorbs PCBs and other organic chlorine compounds
• Indoor Soil Mix
Bluelab Conductivity Pen lighting-&-electrical-components 3 micron (6 micron withMinimum Order Quantity is 3 pieces. The ultimate handy solution for measuring conductivity! The Bluelab Conductivity Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab Conductivity Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. Display options available in C, F,