20x30x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack control system There are three programming settings

There are three programming settings available which includes two temperature trigger modes

bedding and vegetable plants

The Merlin Garden Pro will deal with up to 98% of microorganisms

and it's non-toxic and biodegradable

you need to water more often

20x30x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack control system There are three programming settingsNordic Pure 20x30x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material