17x25x1 Exact MERV 7 AC Furnace Filters 12 Pack Growing Accessories Overall Dimensions:

Overall Dimensions:

2 x Matrix Circulator | 3"

and warm greenhouses alike

some of us are making a conscious effort to live more “green

Use at least once per week or as frequently as every watering

17x25x1 Exact MERV 7 AC Furnace Filters 12 Pack Growing Accessories Overall Dimensions: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