12x16x1 MERV 12 AC Furnace Filters 12 Pack MH Alg·A·Mic™can be used on every

Alg·A·Mic™can be used on every substrate

Clean your grow room

minimal pH drift is assured

adjustable ventilation and humidity control

It also evaporates quickly

12x16x1 MERV 12 AC Furnace Filters 12 Pack MH Alg·A·Mic™can be used on everyNordic 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