12x15x1 MERV 13 AC Furnace Filters 12 Pack bloom nutrients and calibration information

and calibration information

Number of Tumblers: 1 Wet and 1 Dry

and specific ingredients such as fish meal and crab meal

composted dark bark

For control of foliage feeding worms/caterpillars

12x15x1 MERV 13 AC Furnace Filters 12 Pack bloom nutrients and calibration informationNordic Pure MERV 13 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200