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Suitable for use in soil gardens
Providing increased nutritional value for blooming
perfectly cover 4x4 ft (flower)
humidity activated ultra-pure chlorine dioxide (CIO2) generator
Digital display shows current CO2 levels 24/7
14x27x1 Exact MERV 7 AC Furnace Filters 6 Pack reflectors and grow lights Suitable for use in soilNordic 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
