25x29x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_hgc The specially engineered pH/EC/TDS and

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

remove these for further reference

when plants get too  tall for your original kit

These trays are small enough to fit almost anywhere

Digital Environmental Controller Replacement Probe for APCETHD

25x29x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_hgc The specially engineered pH/EC/TDS andNordic 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.