16x16x1 Pleated MERV 8 Air Filters 12 Pack plant-care/pest-&-disease-control The microbes are activated when

The microbes are activated when hydrated

especially with inert media and when using reverse osmosis (RO) water

Non-skid soles provide added traction to help prevent accidental slips

Can be used in all stages of growth and flower

Aids in keeping digging mammals out of the treated area by limiting their food source

16x16x1 Pleated MERV 8 Air Filters 12 Pack plant-care/pest-&-disease-control The microbes are activated whenNordic Pure MERV 8 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 and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters