10x16x1 MERV 12 AC Furnace Filters 12 Pack Growing Accessories cut through the layers of

cut through the layers of plastic and you now have a zipper door

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

Maximum Flow Rate: Up to 2 GPM

20 - 30 Microns Droplet Size

10x16x1 MERV 12 AC Furnace Filters 12 Pack Growing Accessories cut through the layers ofNordic 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