16x24x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack ph-ec-tds-meters-and-solutions The unit has 3/4 in

The unit has 3/4 in NPT connections

Repeat until control is attained

The specially engineered pH/EC/TDS and temperature probe utilizes a fiber junction and gel electrolyte which provide a fast response and reduced contamination

which is important for healthy clones

Enhanced Growth & Production: Mix 1 – 2 tsp per gallon of water

16x24x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack ph-ec-tds-meters-and-solutions The unit has 3/4 inNordic Pure 16x24x1 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