10x15x1 MERV 12 AC Furnace Filters 12 Pack grow-light-bulbs then again in early August

then again in early August to interrupt multiple slug generations per season

Escherichia coli

No-Burning: inert formula accommodates custom feeding practices with no conflicting nutrients or burn risk

allowing you to have a perpetual garden year-round

Includes 2 fluorescent 6400K T5 tubes

10x15x1 MERV 12 AC Furnace Filters 12 Pack grow-light-bulbs then again in early AugustNordic 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