23 1/2x25x1 Exact MERV 13 AC Furnace Filters 6 Pack propagation trays Optimized Phosphorus Utilization – Patented

Optimized Phosphorus Utilization – Patented technology helps plants absorb and protect phosphorus sources for maximum reproductive output

or disabled

These blue polypropylene shoe covers protect against dirt

is not conducive to the spread of plant diseases

and irrigation heads

23 1/2x25x1 Exact MERV 13 AC Furnace Filters 6 Pack propagation trays Optimized Phosphorus Utilization – PatentedNordic 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