Description
14x20x1 Pleated Air Filters MERV 7 Plus Carbon 12 Pack microbial fertilizer Nordic Pure 10x24x1 MERV 8 Nordic Pure 10x24x1 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 It is specially designed to be used in any size of garden and greenhouse operations