11 1/4x19 1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack Plant Support An exposed temperature sensor allows

An exposed temperature sensor allows for rapid automatic temperature compensated TDS/PPM measurements

Pre-mounted means an easier and cheaper installation process with no need for separate boxes with conduits in between

or 10-burner option) 4-Burner: Spaces 14' x 14' and smaller

the FCC has started to take notice when it comes to both emitted and conducted radio frequency interference aka RFI

Iron is essential to plant growth

11 1/4x19 1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack Plant Support An exposed temperature sensor allowsNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.