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PhysioSpec Indoor
The PreFilter eliminates bigger particles such as dust to prevent premature usage of the carbon
The DE 4x4 is designed to produce verticle light pentration over a 4x4 tray
Drench application is favored for diseases affecting roots
this formula is designed to achieve the highest yields and quality possible in a commercial indoor growing environment
21 1/2x26x1 Exact MERV 7 AC Furnace Filters 6 Pack spl_magfan PhysioSpec IndoorNordic 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
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US$ 69.99
