15x25x1 Exact MERV 7 AC Furnace Filters 12 Pack Light Fixture please refer to the manufacturer's

please refer to the manufacturer's label under the DOCS tab

conductivity and temperature of your nutrient solution

The WCS-1 water content sensor allows the user to monitor the % of water / nutrients within the growing medium

Supplied with piggyback cord for use with electric shutoff kit (ESOK-34)

PhysioSpec Indoor

15x25x1 Exact MERV 7 AC Furnace Filters 12 Pack Light Fixture please refer to the manufacturer'sNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters