17x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies The 5 lb Apollo has

The 5 lb Apollo has a 2 part material column

It’ s a professional-grade single-zone environmental control system

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CO2 is scientifically proven to improve the performance of your plants

• Avoid excess run off during application

17x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies The 5 lb Apollo hasNordic 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.