14x18x1 MERV 13 AC Furnace Filters 6 Pack Hydro Components 5% nitrogen

5% nitrogen

blue in color

and are sold for an even lower price

Nutrient Line Alpha is also designed to allow plants to easily absorb everything needed within a wide pH range

The Orcon Mason Bee Nest (OB-RBN35) is a kit that will help captivate beneficial bees to your valuable garden

14x18x1 MERV 13 AC Furnace Filters 6 Pack Hydro Components 5% nitrogenNordic 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