11 1/4x11 1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack fans-ventilation-ducting this model features zippered openings

this model features zippered openings which allow you to completely close off each dry rack level

●【Boom Yield & Increasing Crop Quality】Expect up to a 50% higher yield and higher quality compared with the old blurple lights and HPS

Ideal for growers using aeroponic EZ-Clone machines

RAZRx can do it all while using less

which creates sugars

11 1/4x11 1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack fans-ventilation-ducting this model features zippered openingsNordic 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