21x21x1 Exact MERV 12 AC Furnace Filters 6 Pack Water Heaters Chillers Microbe Brew encourages rapid microbial

Microbe Brew encourages rapid microbial colonization at the root zone and can be used in both hydroponic and soil applications

It is also compatible with all hydroponic growing systems and growing media

Extremely easy to set up and use

The operator can choose to either wear the Sprayer like a backpack using it's adjustable straps

Observe the 4-hour Restricted Entry Interval (REI) after application

21x21x1 Exact MERV 12 AC Furnace Filters 6 Pack Water Heaters Chillers Microbe Brew encourages rapid microbialNordic 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