14_1/2x27_1/2x1 MERV 12 AC Furnace Filters 6 Pack misc The Dirty Dozen is a

The Dirty Dozen is a force to be reckoned with

Horticulture grade hydroponic clay pebbles made of all-natural clay is used extensively in hydroponic grow systems and grow mixes

which in turn will increase fertility of the soil by forming humus

The rugged suspension bars are created from 14-gauge zinc plated steel and include 10' cables with cripple clamps and 3

Suggested for Outdoor Use or Well Ventilated Spaces

14_1/2x27_1/2x1 MERV 12 AC Furnace Filters 6 Pack misc The Dirty Dozen is aNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different