8x12x1 MERV 12 AC Furnace Filters 6 Pack Master Controller and easy access reservoir lid

and easy access reservoir lid

CO2 level can be regulated with the modules by controlling the CO2 control devices

Rubber gasket to ensure air tight fitting

or seeds started ready for transplant

8x12x1 MERV 12 AC Furnace Filters 6 Pack Master Controller and easy access reservoir lidNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different