16x16x1 Pleated MERV 12 Air Filters 6 Pack nutrient-combo the automatic shutoff prevents overflow

the automatic shutoff prevents overflow if the reservoir fills

checking pollen moisture content before processing and monitoring moisture loss or moisture gain in plants during the drying and curing process

enabling them to withstand all kinds of weather and temperatures

Each attic fan is controlled by an LCD digital controller

5V button cell batteries (included) (model LR44 or equivalent)

16x16x1 Pleated MERV 12 Air Filters 6 Pack nutrient-combo the automatic shutoff prevents overflowNordic 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