22x22x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions HI 9813-6 includes all the

HI 9813-6 includes all the features of the HI 9813-5 while incorporating our exclusive CAL CHECKTM feature

MicroGuard MP™ pants are made with state-of-the-art lamination technology

PowerVEG 420 provides a spectrum that is crucial for plant growth during the vegetation cycle

and out to your load

Growers report a 25% decrease in plant food costs

22x22x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions HI 9813-6 includes all theNordic 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.