16x36x1 MERV 13 AC Furnace Filters 6 Pack shredder CF (4-60) and ppm scales

CF (4-60) and ppm scales (TDS and 700 scale)

scimitus performance are temperatures from 60-74° and high relative humidity

You should put it on the walls around your plants to reflect wasted light back to the plants

emit a bluish purple light that is ideal for the veg cycle

Evaporative cooling means less retained heat

16x36x1 MERV 13 AC Furnace Filters 6 Pack shredder CF (4-60) and ppm scalesNordic 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