20x30x2 Pleated MERV 13 Air Filters 3 Pack food-storage The media's expansion is due

The media's expansion is due to the presence of two to six percent combined water in the crude perlite rock

General Odor Control

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

Azomite has been mined in Utah for more than 60 years

20x30x2 Pleated MERV 13 Air Filters 3 Pack food-storage The media's expansion is dueNordic 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