8x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions Safe to apply daily and

Safe to apply daily and will not interfere with plant development

Chemboys Silicon Shield feeds bio-available Monosilicic Acid right to the plants roots and allows them to thrive

Temperature is compensated automatically to ensure readings are consistent to the standard or reference temperature

Included with each bill counter is a convenient secondary LED external display

They are carefully formulated to maximize the performance of your plants at each stage of the growth cycle

8x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions Safe to apply daily 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.