14x18x1 MERV 13 AC Furnace Filters 6 Pack Amendment 14% drier than competitor blocks

14% drier than competitor blocks

the resolution is in 10 ppm increments

where the arrangements are in no or little water

Controls temperature (heating & cooling)

This organic cube offers the grower a lighter weight option than heavy bags of wet soil

14x18x1 MERV 13 AC Furnace Filters 6 Pack Amendment 14% drier than competitor blocksNordic 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