17_1/4x23_1/4x1 Exact MERV 12 AC Furnace Filters 6 Pack spl_magfan DOSAGE RATES FOR SOIL/COCO/HYDROPONICS:

DOSAGE RATES FOR SOIL/COCO/HYDROPONICS:

The specialized electrode combines 3 sensors in a single rugged probe featuring a polypropylene body

These are standard 1020 trays with the exception that they are four times the thickness of traditional trays

from seed to bloom to harvest

• Triple washed and buffered coco coir

17_1/4x23_1/4x1 Exact MERV 12 AC Furnace Filters 6 Pack spl_magfan DOSAGE RATES FOR SOIL/COCO/HYDROPONICS:Nordic Pure MERV 12 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, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different