16x20x2 Pleated MERV 14 Air Filters 3 Pack grow-systems-trays-reservoirs Works on contact and by

Works on contact and by ingestion

This is a Gladiator hard cover for our industrial machine

With the Niwa Grow Hub+ app

3LB Nitro Bat Guano is an excellent source of nitrogen

Note: Use the Phat HEPA filter to cleanse the air entering into your indoor garden

16x20x2 Pleated MERV 14 Air Filters 3 Pack grow-systems-trays-reservoirs Works on contact and byNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.