18x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack LUXX Bar • Increases budding

• Increases budding

Use to adjust the pH of fertilizer and plant micronutrient foliar solutions

Input Voltage : 110-277V AC

The ONA Carbon-Air unit is to be used exclusively with ONA gel

Includes transparent electrode cover/sample cup

18x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack LUXX Bar • Increases buddingNordic Pure 18x24x4 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