22x24_1/4x1 MERV 7 AC Furnace Filters 6 Pack biological fertilizer Size: 3U Rack Space |

Size: 3U Rack Space | Design: Intake | Airflow: 60 to 300 CFM | Noise: 12 to 38 dBA | Bearings: Dual Ball

Always mix in non-chlorinated water

For added convenience

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

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

22x24_1/4x1 MERV 7 AC Furnace Filters 6 Pack biological fertilizer Size: 3U Rack Space |Nordic 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