25x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack hydro-x Professional pH controller especially designed

Professional pH controller especially designed for use with aquariums

Hoods are designed with tunnelized elastic face providing a more secure closure and stronger seams

Includes instructions

Use from Start to Harvest

aged softwood bark

25x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack hydro-x Professional pH controller especially designedNordic 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.