20x22x1 Pleated MERV 13 Air Filters 12 Pack pumps-and-irrigation-supplies • Great lumen output for

• Great lumen output for high PAR values

The electrolyte level in refillable electrodes should be checked before performing any measurements

Delivering ultimate light output

The ancient Amazonians are best known for the ultra fertile soils they created over a thousand years ago

Expands quickly up to 7 times

20x22x1 Pleated MERV 13 Air Filters 12 Pack pumps-and-irrigation-supplies • Great lumen output forNordic 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