12x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack spl_cg naturally occurring insects that feed

naturally occurring insects that feed on fly pupae

Valox housing and stainless steel electrodes for good chemical compatibility

SupremeAir Australian Carbon Filter 8'' x 24''

NemAttack nematodes contain Steinernema riobrave

12x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 1 Pack spl_cg naturally occurring insects that feedNordic Pure 12x24x4 MERV 12 Pleated 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