12x27x1 MERV 8 AC Furnace Filters 6 Pack Chemicals 4 outlets controlled by mechanical

4 outlets controlled by mechanical timer with 15 minute on/off increments

Low EC and stable pH

comfortably accommodate large batches and allow for operational growth

600 S Series ® 178 81

Can be used on the following food and non-food crops: Bulb Vegetables

12x27x1 MERV 8 AC Furnace Filters 6 Pack Chemicals 4 outlets controlled by mechanicalNordic 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