12x24x1 Pleated MERV 12 Air Filters 12 Pack Grow1 5' Steel Stake Gives your plants a micro-climate

Gives your plants a micro-climate zone allowing you to grow crops that are not hardy in your planting zone

Measures 40'' x 86''

OMRI Listed Biomin Calcium is chelated with amino and organic acids in a patented process enabling the calcium to be readily and efficiently absorbed

simplifying storage and logistics

12x24x1 Pleated MERV 12 Air Filters 12 Pack Grow1 5' Steel Stake Gives your plants a micro-climateNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different