20x30x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack ac-/-dehumidification-/-humidification A noticeable drop in water

A noticeable drop in water flow rate or pressure is the most common indicator that the filter media is saturated and needs replacement

meaning it has three times the amount in each pellet as Sluggo (1% iron phosphate)

together with sharp edges and inward flexures of the walls which block expansion

0-100% Light Intensity

Boll Weevils

20x30x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack ac-/-dehumidification-/-humidification A noticeable drop in waterNordic Pure 20x30x1 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