17x19x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal Perlite can reach temperatures of

Perlite can reach temperatures of approximately 1600-1700 degrees F

• Easy to use monitor that measures pH

Featuring a Broad Spectrum for superior growing power

Beneficial Nematodes do not affect humans

leading to stronger plants

17x19x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal Perlite can reach temperatures ofNordic 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.