Allergen Defense Red Micro Air Pleated Furnace Filter, 12x20x1-In. STEELCOAT® PETOSKEY PLASTICS For log home construction and

For log home construction and for securing railroad ties

high efficiency & ultra low consumption

Latex-free contents

Sharpening blades are Diamond Honed Tungsten Carbide and provide years of reliable use

meets the new nsf/ansi standard 14-2009 & astm f 1807-9si standard for products intended for the transport of potable water

Allergen Defense Red Micro Air Pleated Furnace Filter, 12x20x1-In. STEELCOAT® PETOSKEY PLASTICS For log home construction and12" x 20" x 1" Red Micro Allergen Filtrete Filter, 90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander, Captures Microscopic Allergens Like Dust, Smoke & Smog, Captures Bacteria & Particles That Can Carry Viruses, Meets The Guidelines Of The American Lung Association Health House Program. MPR Rating 1000, Filter Lasts For 90 Days.