13_1/4x13_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Trimmers • Premium aluminum European hammertone

• Premium aluminum European hammertone interior: 99

• Precision Sorter - 32”W x 49”H x 103”L

GE Spectrum: The Germination spectrum is optimized for both chlorophyll a and chlorophyll b by using two very specific horticulture chips giving a double peak at around the 435 and 460 nanometer region

It will help retain moisture and heat to improve seedling germination

Calcium Ca++ (ppm)

13_1/4x13_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Trimmers • Premium aluminum European hammertoneNordic 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