10x15x1 MERV 13 AC Furnace Filters 6 Pack Cleaning Products Potent and powerful high phosphorus

Potent and powerful high phosphorus guano consciously extracted to not disturb the bat colonies and to provide an unparalleled completely natural source of phosphorus and calcium

optimized root growth

Suitable for both adults and kids

Gradation inside to accurately assess optimal water level

Features malleable foil that easily adheres to most surfaces including irregular joints and corners

10x15x1 MERV 13 AC Furnace Filters 6 Pack Cleaning Products Potent and powerful high phosphorusNordic 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