12x24x1 Pleated MERV 14 Air Filters 6 Pack environmental-controllers General Hydroponics CocoTek growing medias

General Hydroponics CocoTek growing medias can be used by themselves

lowering the cost of tool ownership

mycorrhizae go to work right away

keeping eyes cool and moist under bright grow room lights

Sold by the pack

12x24x1 Pleated MERV 14 Air Filters 6 Pack environmental-controllers General Hydroponics CocoTek growing mediasNordic 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.