16x30x1 Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack Nutrients and Supplements Replacement Probe for GroChek H19813-6

Replacement Probe for GroChek H19813-6

Derived from the best quality high-phosphorus bat guano available

1 EC/TDS conductivity sensor

Calcium plays an important role in the development of plant tissues

The Sunburst CMh system combines two of our most popular products—the Sunburst and Phantom CMh—into a single unit that brings the benefits of ceramic metal halide lighting to all applications

16x30x1 Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack Nutrients and Supplements Replacement Probe for GroChek H19813-6Nordic Pure 16x30x1 MERV 10 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