21x21x1 Exact MERV 13 AC Furnace Filters 6 Pack Ventilation/Air Conditioning These easy to feed Conveyors

These easy to feed Conveyors provides up to 30% improvement in load speed and consistency of trimming

conductivity / nutrient (EC

The SG ballast offers a compact design

Offers significant improvement in spectral quality over standard Metal Halide

Not only will they produce more

21x21x1 Exact MERV 13 AC Furnace Filters 6 Pack Ventilation/Air Conditioning These easy to feed ConveyorsNordic 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