15x23x1 Exact MERV 7 AC Furnace Filters 6 Pack Environmental Controllers Humboldt Nutrients has formulated this

Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on any plant

Weight: 12

making it great for farmers with smaller tanks

How many packs do I need per container

15x23x1 Exact MERV 7 AC Furnace Filters 6 Pack Environmental Controllers Humboldt Nutrients has formulated thisNordic 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