22x24_1/4x1 MERV 7 AC Furnace Filters 6 Pack biological fertilizer Always mix in non-chlorinated water

Always mix in non-chlorinated water

NOTE: To control speed with this fan

allowing you full control to dial in your gardens to specific requirements

4' wide x 100' long

Due to ON-Gard's plant-based origins it does not have any of the heavy metals

22x24_1/4x1 MERV 7 AC Furnace Filters 6 Pack biological fertilizer Always mix in non-chlorinated waterNordic 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