21x22x1 MERV 13 AC Furnace Filters 6 Pack Nutriants so strain before applying

so strain before applying

It can be used with hydroponic

now just 24” long

Maximizes your germination success and great for seedlings

21x22x1 MERV 13 AC Furnace Filters 6 Pack Nutriants so strain before applyingNordic 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