17x25x1 Exact MERV 13 AC Furnace Filters 12 Pack organic Bio-NRG Bloom-C encourages beautiful and

Bio-NRG Bloom-C encourages beautiful and bountiful blooms

Most tap water contains chlorine and chloramines that can devastate the beneficial bacteria and fungi living in your soil

Sachet releases provide up to 6 weeks of control

Full spectra to cover the whole grow cycle

• 100 micron Filtration built into gasket

17x25x1 Exact MERV 13 AC Furnace Filters 12 Pack organic Bio-NRG Bloom-C encourages beautiful andNordic 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