9_3/4x23_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Reflectors & Grow Lights 65-inch (42mm) Cut

65-inch (42mm) Cut

Wear suitable gloves

Static Pressure 12″ W

79 µmol/joule system efficacy means more light per watt

The Bluelab pH Probe has a double junction reference which provides a longer life than many other pH probes and is a gel filled non-refillable probe

9_3/4x23_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Reflectors & Grow Lights 65-inch (42mm) CutNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200