20x22x1 Pleated MERV 8 Plus Carbon AC Furnace Filters 3 Pack flowering The HI98331 Soil Test™ is

The HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature

Includes 9' remote precision temperature sensor

Sturdy and ergonomically designed

pressure relief valve

20x22x1 Pleated MERV 8 Plus Carbon AC Furnace Filters 3 Pack flowering The HI98331 Soil Test™ isNordic Pure 20x22x1 MERV 8 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