16x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack Controller Optimize Coverage - 3ft ×

Optimize Coverage - 3ft × 3ft

Response curve is almost constant (versus Gaussian for digital meters) which yields a much higher accuracy independent of wavelength being measured- great for measuring LED light correctly

dissolves easily

The Dirty Dozen Starter Pack contains nine pint liquids:

Prozyme is a natural chelate

16x24x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack Controller Optimize Coverage - 3ft ×Nordic 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