For small-scale applications
Dual Fuel’s two-part formula provides the nitrogen (N)
Guaranteed Analysis: 1-0-2
Compatible with your existing T5 HO fluorescent fixture
21_1/4x23_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Cone Filler For small-scale applicationsNordic 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