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Operating pressure range is 4
and offers a convenient base for adding a trellis kit or cold frame above
A high-airflow fan designed to provide temperature and moisture control for crawl spaces and basements
Plant Growth Promoter - With the increased accessibility of nitrogen in the soil
Alarm function for environmental extremes
20x22x1 Pleated MERV 12 Plus Carbon AC Furnace Filters 24 Pack air-purification Operating pressure range is 4Nordic Pure 20x22x1 MERV 12 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
