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Four square air inlets at bottom
• Maintenance costs—go 10-20 years without a change-out
rain or de-ionized water will benefit from the addition of Mag-Pro throughout their plants’ growth cycle
• Safe to use with all growing methods
Required plastic and wire mesh
17x22x1 MERV 7 AC Furnace Filters 12 Pack beneficial microbes Four square air inlets atNordic 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
