12x24x2 Pleated MERV 14 Air Filters 3 Pack grow-light-ballasts Far Red light is responsible

Far Red light is responsible for increased leaf size

Indicator lights- inform you when individual UV-C lamps need to be replaced or when the HEPA filter is clogged with particulate buildup

Tests one fixture only at either 120/240/277V output

hardened and tempered with highly sharpened Teflon coating for easy clean up

and more importantly

12x24x2 Pleated MERV 14 Air Filters 3 Pack grow-light-ballasts Far Red light is responsibleNordic 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.