16x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack PH/EC/TDS Meters and Solutions HI50036-0 Quick Cal buffer solution

HI50036-0 Quick Cal buffer solution sachet (3)

This simple to use product contains multiple vitamins and macronutrients that will show you rather than tell you

Built to be embedded in ducts

Keep it Clean's main ingredient is Hydrogen Peroxide

• Condensing coil for efficient recovery

16x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack PH/EC/TDS Meters and Solutions HI50036-0 Quick Cal buffer solutionNordic Pure 16x24x4 MERV 8 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