Allergen Defense Red Micro Pleated Air Furnace Filter, 10x20x1-In. Ladders This treatment works hard for

This treatment works hard for 30 days following application

giving you and your cordless tools unmatched performance and productivity to take on the most demanding applications

this filter housing features a pressure relief button used at cartridge change time

It starts with the four cornerstones of nutrition

Requires nut driver to be installed

Allergen Defense Red Micro Pleated Air Furnace Filter, 10x20x1-In. Ladders This treatment works hard for10" x 20" x 1", Red, Micro 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, Color Red.