Begin applications preventatively — before disease pressure is observed — for best results
and place it back onto the lid to adjust your total weight
Power Factor: >90%
Perlite #3 can be used as a stand-alone medium in drip systems or as a mix-in element with other growth mediums
Results are seen within hours
20x24x2 Pleated MERV 13 Air Filters 12 Pack Amendment Begin applications preventatively — beforeNordic 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