21x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Treatment Twister B4 Adjustable Stand

Twister B4 Adjustable Stand

burn-free application

Supplied with piggyback cord for use with electric shutoff kit (ESOK-34)

Containing 70% of this active ingredient

• Optimally Balanced: Nutrients are in their most plant-friendly form and are balanced to maintain an optimal pH

21x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Treatment Twister B4 Adjustable StandNordic 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.