8x12x1 MERV 13 AC Furnace Filters 6 Pack LED The nutrients in Stack encourage

The nutrients in Stack encourage healthy growth and flowering

These domes fit directly onto the standard 10 x 20" cut kit trays to create a humid and warm environment ideal for cuttings and seed germination

IPM Ready – Integrates seamlessly into existing pest and disease management programs

HI700004 pH 4

8x12x1 MERV 13 AC Furnace Filters 6 Pack LED The nutrients in Stack encourageNordic 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