17_1/4x19_1/4x1 Exact MERV 8 AC Furnace Filters 6 Pack Synthetic Pro Edition These shoe covers are ideal

These shoe covers are ideal for non-hazardous work environments where you need reliable liquid and particulate protection

Keep your base nutrients low as in the rooting stage adding Rootbastic will primarily stimulate your root production

Two (2) trigger cord sets activate lighting controller via external timers

covering extensive areas cost-effectively

17_1/4x19_1/4x1 Exact MERV 8 AC Furnace Filters 6 Pack Synthetic Pro Edition These shoe covers are idealNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters