10x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack garden-accessories The HI12943 is a pH

The HI12943 is a pH electrode for the direct measurement of pH in soil and soilless media

Pallet of 60 Cases (300/Case)

Simple to install and adapt the dust cover to fit onto your existing Tom's Tumbler

This kit provides a good start for new or experienced gardeners that can be expanded with the addition of other great Humboldt Nutrients products

10x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack garden-accessories The HI12943 is a pHNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.