24x36x1 MERV 13 AC Furnace Filters 6 Pack air-purification Empty blister packaging is avaliable

Empty blister packaging is avaliable to purchase SKU 180999

It contains potassium and 2% Soluble Silicon to reduce stress caused by heat

apply once a week from seedling/clones to week 3 or 4 of bloom

Mature Vegetative and Flowering Plants

24x36x1 MERV 13 AC Furnace Filters 6 Pack air-purification Empty blister packaging is avaliableNordic 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