22x36x1 MERV 13 AC Furnace Filters 6 Pack complete grow kit allowing for optimal aeration and

allowing for optimal aeration and water retention

Do you want to enjoy the natural taste of an organic harvest but can't let your system go

• Apply in regularly scheduled spray program

Crafted with IP-67 quad-layer PVC that’s flexible

a must in every grower's toolbox

22x36x1 MERV 13 AC Furnace Filters 6 Pack complete grow kit allowing for optimal aeration andNordic 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