Together they cover a wider range of conditions
Inert Ingredients: Reverse Osmosis Water
The first digit indicates the number of tubes (5 = 5-tube unit)
• Robust plants through high blue light output
Breaks down scale - Keeps irrigation systems in pristine condition
17_1/8x26_1/2x1 MERV 13 AC Furnace Filters 6 Pack ventilation Together they cover a widerNordic 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